6029:
5298:
5286:
3741:
4637:
4649:
4480:
4471:
6470:
6390:
151:
9177:
3001:
3971:
3334:
3068:
1051:
9480:
1165:
6376:, ventral vascular structures of the eurypterids, acted indeed as active respiratory structures during air breathing as previously suggested. This and the evidence of land incursions made by stylonurines implies that eurypterids could stay out of the water for prolongated periods. This does not change the fact that they were predominantly aquatic creatures, just as their swimming paddles (which
126:
5957:. Van Oyen's synonymizations were based on ratios of the carapace alone, ignoring other important phylogenetic features as well as possible taphonomic effects (defects produced during fossilization) on the fossils. Subsequent research has proven the validity of some species, now defined based on clear and distinguishing characteristics, including
5393:, including the presence of an anterior triangle on the carapace (the function of which is uncertain), a central circular area of the carapace being raised, the eyes being further away from the margin of the carapace than from the ocelli, an oval metastoma, a long telson and the presence of epimera on the preabdomen.
1075:(actively swimming) eurypterids with prominent cuticle sculptures (ornamentation consisting of small, minute, scales across their backs). These scales are perhaps the most distinguishing feature of the group, though similar scales have been reported in other eurypterid groups, most notably the pterygotids, as well.
6223:
in many ways represented the last of its kind, being the final eurypterid to possess swimming appendages, it did not exist in diverse eurypterid faunas such as the ones observed with genera during the
Silurian or early Devonian. Instead, the brackish of fresh water environments typically inhabited by
5332:
made it difficult to assess if the legs truly were non-spiniferous. A new genus for non-spiniferous species could be phylogenetically supported, but transferring the new genus to the
Slimonidae based on the loss of a feature which seems to have been lost independently in the two groups is not in line
6442:
The juveniles appear to have developed and lived in somewhat different conditions than the adults. In beds were juveniles are more common, insect fossils are more common as well, indicating a lack of adults that were capable of devouring them, and the presence of smaller plant fossils suggest a less
6380:
also possessed) indicate. Furthermore, it is possible that being out of the water would have been ineffective for them during their alimentation, limiting the time they stayed there. However, they may have moved from pool to pool to breed in safer locations, supported by the usual separation between
6048:
as a whole mainly lived in environments near coastal habitats, with a preference for habitats with reduced salinity such as river deltas, estuaries or lagoons. Marine influences are often recorded from these habitats and the deposits carrying adelophthalmoid fossils, but typical marine index fossils
6260:
were small, it is most likely that it fed on small organisms, possibly in part the ostracods and branchiopods known from associated fossils. There is a noticeable lack of insects in the fossil beds with dense plant fossils, where they should be more common, and a surprising abundance in fossil beds
6019:
were described by authors who were not eurypterid specialists (since eurypterid researchers mostly concentrated their efforts on the more diverse pre-Carboniferous eurypterids) and most descriptions lack in comparisons with previously described species of the genus. As such, the differences between
4742:
being the most derived member of its family is confirmed by its swimming appendages being the thinnest of all included genera and by its eyes being the closest to the center of the carapace. In adelophthalmoids, eyes appear to get closer to the center of the carapace with every more derived genus,
6457:
live in different environments and regions than the adults. The advantage of this form of segregation is not only to allow younger individuals to live in conditions more stable from a salinity standpoint, but also to keep juveniles safe from situations in which substantial amounts of marine water
5899:
valid, group, but that it likely suffers from an under-splitting at the genus level and over-splitting at the species level. It is possible that the large amount of species form two or more distinct clades that could be split into different genera. Though most of the species included in the genus
3535:
based on two incomplete fossils and few other small fragments from Elmo in Kansas. The first specimen preserves the carapace and the first four tergites of the preabdomen, while the second preserves five preabdominal and three postabdominal tergites; this specimen represents twice the size of the
1244:
The status of the 35 names (out of which two are synonyms) listed below follow a 2018 survey by German paleontologists Jason A. Dunlop and Denise Jekel and
British paleontologist David Penney and size- and temporal ranges follow a 2009 study by American paleontologists James Lamsdell and Simon J.
4603:
Though habitats of this kind were many, widespread and ecologically stable for a time in the early
Permian, they would turn out to be delicate. A changing climate during the Permian altered depositional and vegetation patterns across the northern hemisphere, which drastically affected previously
6139:
environment) together with fossils of freshwater bivalves and terrestrial organisms. It is possible that these freshwater "conquests" are related to the diversification of the genus itself and the appearance of several new species during the
Carboniferous, rather than reflecting a shift in the
6300:(external gills arranged like the pages of a book), although they were probably five, as in xiphosurans. These are oriented horizontally and all of them but the ones from the sixth segment are fragmentary. There, they are oval in shape, attached near the midline of the body and consist of six
3043:
Since the preserved carapace had no indication of there ever having been any eyes present, Jordan and von Meyer assumed that the animal would have been completely eyeless in life, with the original description of the fossil citing several cases in which eyeless forms occur in arthropod groups
6439:, but smaller individuals (juveniles) are found in fossil beds containing less organic material and mostly smaller plant fragments. The large plant fragments of the adult habitat were deposited in quiet conditions, likely through leaves dropping into enclosed lagoons or standing ponds.
6447:
would thus be variable, while juveniles could live in fresher and less variable environments further away from the shoreline. It is possible that the adults mated in the streams that fed the ponds, and then returned to live in the ponds because of a richer food supply being present.
6183:
is nowhere to be found, which indicates that a shift to an environment further away from the ocean caused the extinction of these populations, which indicates that several species needed some form of connection to habitats of marginally marine nature, even if they did not live in
6276:. It is however likely that various predatory fish, amphibians and early reptiles known to have been present at the time would have preyed upon the small eurypterids. Both fish and amphibians are known from similar environments of the same age in the nearby Manzanita Mountains.
3298:, naming the species in his honor. The only known specimen is composed of six body segments and Woodward noted that naming the species may have been slightly premature. He noted that the specimen possessed markings and spikes running alongside the abdomen in a similar way to
5880:
in terms of all the species it is recognized as containing can thus not be fully confidently stated to be monophyletic, more fragmentary species need to be redescribed and more phylogenetic characters need to be confidently established before the status of the genus can be
2022:
can be distinguished from most other species by its first segment being narrower relative to the other segments of the mesosoma. The characteristic abdominal spikes were present in the last segment of the mesosoma and all the metasomal segments. Compared to other species,
3032:
and featuring descriptions of several other arthropod taxa. The fossil was immediately recognized by Jordan as that of a eurypterid, with both the overall shape and form and the individual parts (particularly the head and the appendages) being very similar to those of
4591:
appears to have lived in environments of brackish to fresh water on a deltaic plain adjacent to a coastal plain. Climate conditions favorable for the spread and maintenance of such environments were optimal during the Late
Carboniferous and Early Permian, with
3039:
which had been described in the United States in 1825, 29 years earlier. Among the differences noted between the specimens were the smaller size and later age of the SaarbrĂźcken fossil and what Jordan and von Meyer perceived to be a complete lack of eyes.
3615:
in
Ukraine. A new expedition in 2012 carried out by Russian paleontologist Evgeniy S. Shpinev and others in the respectively Russian and Ukrainian localities of Kakichev and Lomuvatka brought a number of well-preserved, presumably juvenile, fossils of
6427:, including several adults and juveniles, allowed researchers to determine different habitat preferences for different age groups. Larger individuals (adults) are found associated with large plant fragments, including branches of
3902:
of
Khakassia (hence the name) in 2014 by Filimonov, it represents the biggest species of the genus. The holotype, PM TGU 168/108, is composed of parts of the metasoma and a complete telson, with several other known paratypes. As
2589:
in possessing a median furrow (raised structure through the center of the carapace) on its prosoma and in the corners of the carapace not being expanded. Its first tergite has an almost identical morphology as that possessed by
2829:. The species can be differentiated from others in the genus by its relatively broad carapace, a short podomere 7 on the swimming legs and rows of tubercles along the posterior edges of the carapace and opisthosomal segments.
6354:
and represent a terrestrial adaptation to breathe air. They prevent the lamellae from sticking together and eliminating the space between them, which would suffocate the organism. Therefore, the presence of trabeculae in
3696:
of New Mexico. The large amount of specimens recovered, representing individuals at various stages of development and ontogeny, allowed detailed studies to be performed on the ontogeny and intraspecific variation within
8054:
Lamsdell, James C.; Simonetto, Luca; Selden, Paul A. (2013). "First
Eurypterid from Italy: A new species of Adelophthalmus (Chelicerata: Eurypterida) from the Upper Carboniferous of the Carnic Alps (Friuli, NE Italy)".
3786:
was described in 2006 based on a fossil specimens (including the holotype, a prosoma, "head", with the specimen number PIN no. 5109/4) collected by the
Krasnoyarsk Geological Expedition near Sakhapta, a village in the
1969:. It differs from all these species in a narrower mesosoma and in a wider metasoma. It had undeveloped epimera in the seventh, eleventh and twelfth segments (being in these last two segments flattened and leaf-like).
6066:
this is seen as particularly likely as it is represented by a single specimen that is also the only eurypterid specimen collected from the formation in which it was found, the Gogo Formation of Western Australia.
5403:
was recovered as more basal than other species, which fits with it also being the earliest known species in the fossil record, mainly due to the broad swimming appendage being similar to the broad appendages of
2672:
had in its second to fifth appendages a pair of ventrodistal spines on each podomere. Furthermore, it had epimera in its postabdomen and the first segment did not have any lateral reduction. This suggests that
4228:
Already widespread and represented around all major landmasses in the Late Devonian, the amalgamation of Pangaea into a global supercontinent during the Carboniferous and Permian would allow the able swimmer
6195:, from the Late Moscovian, the later Carboniferous and the Early Permian, show a larger presence in habitats with marine influence, particularly habitats of tidally influence estuarine environments. Despite
4743:
and even though eye position may reflect lifestyles and inhabited environments, they are also assumed to (particularly in this case, with a clear progression) include phylogenetically important information.
4177:
was relatively unscathed, adapting new strategies (such as sweep-feeding) to avoid competition, and came to diversify once more in the Carboniferous, the Eurypterina was rendered almost completely extinct,
4571:, despite being separated by a timespan of more than a hundred million years. The similarities are likely due to a generalized, and not a specialized, ecological niche. This morphological conservatism in
3848:"doubtful"), both based on fossils originally collected by Russian geologist Yuriy Fedorovich Pogonya-Stefanovich in 1960 in deposits 3 km southeast of the village of Kamyshta (which lent its name to
6381:
adult and juvenile eurypterids in the fossil record and by the possession of spermatophores, which could have allowed eurypterids to store sperm for months to give them time to seek a secure environment.
4575:
suggests that the genus became bradytelic, evolving at a slower rate than the standard rate among eurypterids. Typically, bradytelic organisms have a broad geographical spread, something that was seen in
3590:
under a different species name based on the original collector of the fossil (Dr. Palisa) and without any designation of it representing a type specimen. Pruvost was also honored through the naming of
973:
had begun early, with representatives found in both Siberia and Australia during the Devonian, but it first gained its almost cosmopolitan distribution following the amalgamation of the supercontinent
1101:
at just 4 cm (1.6 in) in length. The genus as a whole does not appear to have fluctuated much in size over the course of its long evolutionary history, with "large" species occurring in the
3436:
being fragmented, owing to careless usage of hammers and diamond bores during excavation, the fossil could nevertheless be studied in detail and compared to known eurypterid species. As Stainier
1026:
is the most taxonomically diverse of all eurypterid genera, containing 33 species considered valid. This large amount of species, many named long ago, have prompted some researchers to designate
3056:("grainy" or "full of grains"), referring to the state of the fossil preservation having given some of the fossils a grainy texture. The type specimen, to this day the only specimen referred to
3376:. Woodward described very large fossil specimens, the carapace alone measuring 21 cm (8.3 in) and the seven associated body segments measuring an additional 25 cm (9.8) together.
1835:
had relatively broad proportions. With the only known specimen lacking eyes and appendages, its status as diagnostic is somewhat questionable. It is possible that the large abdominal spikes of
6423:
was a moderately elevated region with less dense vegetation and better drainage than the swamplands that occupied much of the rest of the United States. The discovery of a large assemblage of
6443:
prolific vegetation cover, the juvenile environment possibly having been lower areas on the delta plain between the ponds. Periodically, storms would drive marine water into the ponds, where
3807:
to be described from Russia and the first ever Carboniferous eurypterid known from the country. It is also one of few Carboniferous eurypterids found within the territory of the former
6020:
species are often trivial, perhaps partly resulting from that the first overview paper on the taxon was published only in 1948, at which point 26 species had already been described.
6000:
as of 2020, the largest amount of any eurypterid), is geographically widespread, named a long time ago (1854) and the nominate form of a higher taxon (lending its name to the family
4715:), as inferred by O. Erik Tetlie and Markus Poschmann in 2008, based on the results of a 2008 analysis specifically pertaining to the Adelophthalmoidea and a preceding 2004 analysis.
3998:
in the Late Silurian, being a part of a rapid diversification of swimming eurypterids (suborder Eurypterina) throughout the Silurian. Baltica would later collide with the continents
3665:
to potentially represent a distinct genus, citing that scorpions with similar dorsal anatomies can be quite different ventrally and that the same could be true for the Carboniferous
3857:
6199:
spreading to fully freshwater environments, their conquests of these environments was apparently not as successful as that of other similar groups, for instance some Carboniferous
7945:
Kues, Barry S.; Kietzke, Kenneth K. (1981). "A Large Assemblage of a New Eurypterid from the Red Tanks Member, Madera Formation (Late Pennsylvanian-Early Permian) of New Mexico".
4214:
experienced a rapid diversification through the Carboniferous, with 23 of its 33 species having been described from the Carboniferous alone, and reached its peak diversity in the
6028:
6458:
decimated the populations in the ponds by altering the living conditions too much. In such a situation, younger populations could after some time recolonize the old habitats.
6451:
Age-based segregation of this kind between juveniles and adults of the same population is relatively normal in arthropods, for instance, juveniles of the related and modern
2184:
and has several features that are not consistent with the genus. These include a very wide carapace, very large eyes and what appears to be a median ridge on its carapace.
9652:
3860:. Despite how poorly preserved these fossils are, several features (notably the parabolic carapace and the presence of spikes along the abdomen) place both species within
3657:
in studies during the middle twentieth century, notably that of Belgian paleontologist Fredrik Herman van Oyen (1956). Though most authors assign all described species to
4338:
discovered in France is also known from this time. The Late Carboniferous would see the appearance of several more species in various places around the world. During the
6272:
have been preserved in the Madera Formation are all part of the Red Tanks Member, which does not preserve any known organisms that would have been capable of preying on
6144:
seem to form a minority, with most species being confined to paralic or lowland basins in depositional environments with close connections to marginally marine habitats.
5297:
5285:
3740:
1042:(a group sharing a common ancestor) but might most appropriately be split into different genera along distinct clades formed within the current confines of the genus.
4191:
3803:
based on their scalelike ornamentation, the position of their eyes and the shape of the carapace shortly after their excavation. The species is the first species of
9543:
3566:, MB.A. 889, was collected in the Czech Republic in 1930 or 1931 and first mentioned in a manuscript by French Carboniferous worker Pierre Pruvost, who dubbed it "
1196:
was parabolic in shape, with a narrow marginal rim (edge). The carapace was held in place with the aid of a small and hinged triangular "locking" mechanism placed
3405:
based on fossils recovered in Nebraska, USA. The species was described alongside other fossils from the associated sediments, which helped reinforce the idea as
9667:
9682:
9647:
5336:
The cladogram below displays the results of a phylogenetic analysis conducted by O. Erik Tetlie and Markus Poschmann in 2008, featuring seven species of
4538:
is known to have lived in a freshwater environment, its fossil being found in association with fossils of land plants. The youngest described species is
4306:(although this species may have occurred as early as the Famennian stage, the last stage of the Devonian). The genus also spread to modern day Scotland (
6256:
indicates that it was a good swimmer, though it is likely that it spent most of its time crawling in the mud. As the chelicerae (frontal appendages) of
4210:, existing in far greater number than the surviving members of the Stylonurina, both in terms of the number of individuals and the number of species.
3957:, and after their study it was confirmed that even if they had a mostly aquatic lifestyle, the eurypterids could venture on to land for long periods.
3111:, but ignored the rules of taxonomical priority and used his younger name due to it being based on material that he considered to be better preserved.
1004:, the apparent eyelessness of the type specimen is treated by modern researchers as a preservational artifact, and not a feature that any species of
9530:
3095:
would have had in life, this issue was not resolved immediately which made the naming of subsequently discovered species confusing and problematic.
5340:
and excluding other species on the grounds that they were too incompletely known. All characters were treated as unordered and given equal weight.
6296:
nodule on the ventral side of the animal is split in a manner in which the branchial chamber (gill tract) is visible. This uncovers four pairs of
8544:
9632:
5978:
is an ongoing area of research, perhaps the most important question that remains unanswered is the exact relationship between the type species
4703:
The cladogram below presents the inferred phylogenetic positions of most of the genera included in the three most derived superfamilies of the
3509:
1716:
is incredibly poorly known, the only known specimen lacking the eyes, the appendages and even the abdominal spines otherwise always present in
9662:
9607:
9256:
9246:
8768:
8405:"A New Eurypterid (Chelicerata: Eurypterida) from the Upper Devonian Gogo Formation of Western Australia, With A Review of the Rhenopteridae"
8385:
1798:
having a broader carapace, larger eyes, a more slender thorax and the characteristic spikes running along its abdomen pointing backwards (in
8260:
Shpinev, Evgeniy S. (2012). "New species of the genus Adelophthalmus (Eurypterida, Chelicerata) found in the Middle Devonian of Khakassia".
8176:"The Eurypterid Adelophthalmus Sievertsi (chelicerata: Eurypterida) from the Lower Devonian (emsian) Klerf Formation of Willwerath, Germany"
6631:
8514:
Tetlie, O. Erik; Poschmann, Markus (2008). "Phylogeny and palaeoecology of the Adelophthalmoidea (Arthropoda; Chelicerata; Eurypterida)".
6179:
to the north, which resulted in the basin being located 1,300 km (810 miles) further away from the ocean. In these younger deposits,
1454:, though was noted as being significantly different in it possessing "comb organs" by British paleontologist Charles D. Waterston in 1958.
1000:(head plate) completely lacking any indication of eyes. Though this has caused much subsequent confusion, including the naming of several
6359:
indicates that eurypterids were able breathe in terrestrial environments with their respiratory organs unlike xiphosurans or other basal
6304:. The number of lamellae in the other anterior segments is thought to have been higher, as indicated by some fragments and a specimen of
9672:
9637:
9622:
3692:
was described by American paleontologists Barry S. Kues and Kenneth K. Kietzke in 1981 based on 150 fossil specimens recovered from the
3570:", but he did not formally describe the specimen or taxon. Pruvost had previous experience with the genus, having described the species
3460:), he classified the new Belgian eurypterid in that genus as well. He did note that the new species was very similar to species such as
9677:
9642:
9208:
7918:
7841:
5317:
are poorly known, owing to its long history and the large amount of species assigned to the genus, many based on fragmentary remains.
6088:, which are recovered in non-marine deposits such as in environments that were once brackish or estuarine habitats. The evolution of
2912:. The only known specimen consists of six body segments. These segments possess markings and spikes alongside the abdomen similar to
1548:
specimens of the same size class. The same ratio of the length of the metasoma to length of the mesosoma was somewhat larger than in
9223:
8231:
Shpinev, Evgeniy S. (2006). "A new species of Adelophthalmus (Eurypterida) from the lower carboniferous of the Krasnoyarsk Region".
8289:
Shpinev, Evgeniy S. (2014). "New data on eurypterids (Eurypterida, Chelicerata) of the Upper Carboniferous of the Donets Basin".
7737:
3424:. The type specimen, a relatively complete fossil measuring just 3.3 centimetres (1.3 in) in length, was discovered through
8137:
Peach, Ben N. (1882). "Further Researches among the Crustacea and Arachnida of the Carboniferous Rocks of the Scottish Border".
7754:
6049:(fossils that indicate a marine environment and ecosystem) are not found associated with the eurypterid remains. The occasional
9612:
9467:
9251:
9193:
6488:
6288:
imaging, researchers have been able to observe in detail the structure of the respiratory organs of the only known specimen of
5910:
in its supposed trapezoid carapace (a feature now known to be incorrect and based on an incorrect illustration) and the large
9617:
9241:
9231:
9185:
6363:. Its trabeculae are also highly similar to those of arachnids, especially that of a specimen of an indeterminate species of
4158:
3061:
5900:
appear to form a monophyletic group, some species have been suggested to represent species of other recognized genera, with
2119:
but possessed indentations around the edges of its exoskeleton, a feature that separates it from all other known species of
3673:
of this nature would be problematic due to its classification depending on the preservational state of any given specimen.
9627:
9203:
9198:
8432:"A redescription of the Late Carboniferous eurypterids Adelophthalmus granosus von Meyer, 1853 and A. zadrai PĹibyl, 1952"
4636:
928:
until its extinction during the Permian, after which the few surviving eurypterids were all walking forms of the suborder
916:, which makes it the longest lived of all known eurypterid genera, with a total temporal range of over 120 million years.
3099:, named in 1855 from Carboniferous-age deposits in Germany, shows definite eyes. The descriptor, Austrian paleontologist
1321:
by the lack of differentiation between the first three pairs and the last pair of the endognathites being less distinct.
1094:, reached a maximum length of approximately 32 cm (12.6 in). Many species were smaller, the smallest being the
150:
9657:
9602:
9236:
9213:
4391:
stage (from 315.2 to 307 million years ago) saw the appearance of several new species, including the two German species
3235:
3044:
otherwise possessing eyes (such as in crustaceans and trilobites). This apparent eyelessness prompted the choice of name
3020:
to be discovered was excavated in 1851 by German paleontologist Hermann Jordan in a railway shaft at Jägersfreude, near
3926:, in France. Its only known specimen, GLAHM A23113, is a nearly complete body only lacking the telson and preserved in
1409:, differing only in being proportionally shorter and not possessing indentation around the edges of the exoskeleton as
7851:
Dunbar, Carl O. (1924). "Kansas Permian insects, Part 1, The geologic occurrence and the environment of the insects".
3239:
138:
3477:
4169:. Of the 16 eurypterid families that had been alive at the beginning of the Devonian, only three persisted into the
3543:
was described by American paleontologist Carl E. Decker in 1938 based on Permian-age fossils in Oklahoma. Since the
3221:
would for a long time erroneously be considered to represent the fossil remains of a scorpion and not an eurypterid.
3091:
Though modern researchers tend to treat the assumed eyelessness as a preservational artifact and not a feature that
9597:
8110:
5925:
was suggested by Fredrik Herman van Oyen in 1956 to possibly represent a senior synonym of many species, including
3283:
8869:
8761:
8467:"A reappraisal of Eurypterus dumonti Stainier, 1917 and its position within the Adelophthalmidae Tollerton, 1989"
6483:
6301:
6160:
6128:
4388:
2902:
2709:
2626:
2476:
2341:
2305:
2099:
1875:
1826:
1780:
1345:
960:
7929:
5328:
family of eurypterids, citing their lack of spines, however noted that the then presently available material of
4065:
from outside Europe, fossils of the three having been recovered from Khakassia in Russia. By the Late Devonian,
3768:(described earlier in 2004 based on the singular specimen BMNH In 60174 from the Late Devonian of Australia) to
7968:"Cope's Rule and Romer's theory: patterns of diversity and gigantism in eurypterids and Palaeozoic vertebrates"
4648:
3927:
3372:
from America, finding the spikes along the abdomen very similar, though noted that they were less prominent in
3100:
4439:
from Mechelen-sur-Meuse, Belgium. The very latest Carboniferous and early Permian would see the appearance of
9176:
3918:
In 2020, Lamsdell, Victoria E. McCoy, Opal A. Perron-Felle and Melanie J. Hopkins described a new species of
3899:
2866:. A poorly known species based on a single fossil consisting of a series of fragmentary segments. Similar to
1236:
from other adelophthalmid eurypterids is its elongated body and the spurs present on its abdominal segments.
6163:
in age) are from a time in which the basin was either part of, or at the very least connected to, a western
5921:
Many of the more fragmentary species could very well be synonyms of more well known species. In particular,
4722:
A close relationship between the three groups is confirmed partly due to basal members of all three groups,
3879:) was collected in the gravel bank of a small creek near the greater Bombaso creek, north of the village of
3259:
3150:
4502:
includes five species, all of which were confined to the Early Permian. The first stage of the period, the
4190:
9498:
8010:
7771:
3772:
This species had previously not been assigned to the genus despite clear similarities to other species of
3484:
3402:
3126:
6319:
1552:, while the ratio of the length of the prosoma to length of the mesosoma was smaller than in the latter.
9569:
6285:
3853:
3437:
952:
6415:
and associated organisms lived in bodies of brackish to fresh water in what is assumed to have been a
1544:
in the proportions of the body. Its carapace had a length/width ratio similar to the average value of
9483:
8754:
8675:
8634:
7897:
7860:
7785:
4334:
is particularly notable as it represents the hitherto only known Carboniferous eurypterid in Russia.
4031:
2939:
2883:
2845:
2794:
2732:
2698:
2652:
2607:
2568:
2499:
2465:
2428:
2378:
2330:
2294:
2247:
2197:
2146:
2080:
1996:
1929:
1900:
1864:
1815:
1769:
1682:
1642:
1600:
1565:
1511:
1469:
1426:
1372:
1334:
1284:
1014:
was a genus of comparatively small eurypterids, with species ranging in size from 4 cm (1.6 in,
6156:
6108:
are found in sections that are considerably more marginally marine than those sections inhabited by
6092:
saw a shift from brackish environments to habitats dominated by fresh water. In habitats where both
1232:(the posteriormost segment, here in the shape of a spike). The feature that primarily distinguishes
6475:
4479:
4470:
4381:
4154:, which would mean that the range of the genus included water around all then existing continents.
3923:
3788:
3599:
1794:, similar in overall shape and proportions and in the pattern of the ornamentation. They differ in
7908:
3333:
8691:
8650:
8609:
8580:
8531:
8372:
8339:
8306:
8277:
8248:
8218:
Reuss, Adolf E. (1855). "Ăber eine neue Krusterspecies aus der BĂśhmischen Steinkohlenformation".
8162:
8097:
8042:
7954:
7801:
6168:
6079:
4215:
3954:
3938:
3875:. The specimen (specimen number MFSNgp 31681, housed at the Museo Friulano di Storia Naturale in
3792:
3586:, at a point in time when the type specimen was seemingly lost. The specimen was rediscovered in
3433:
3361:
3130:
3080:
1039:
708:
145:
8592:
Waterston, Charles D. (1968). "Further Observations on the Scottish Carboniferous Eurypterids".
6310:
that had 45 lamellae in each of its four pairs of book gills from the second to fifth segments.
6265:
fed on insects that had fallen into the water, hindering these from being preserved as fossils.
6082:
environments inhabited during the Silurian. The earliest adelophthalmoids, such as the Devonian
4038:
lived in near-shore environments, typically a varied and unstable habitat, which indicates that
3799:. The fossils, from the Tournaisian Solomennyi Stan Formation, could confidently be assigned to
3732:
having larger eyes, a wider carapace and what could possible by a median ridge on the carapace.
9574:
7831:
9556:
9548:
9072:
9005:
8997:
8502:
8453:
8391:
8154:
8034:
7997:
7914:
7899:
Fauna Saraepontana Fossilis. Die fossilien Thiere aus der Steinkohlenformation von SaarbrĂźcken
7837:
7776:
6327:
underwent a taphonomic deformation and that they were originally vertically-oriented as well.
6176:
6045:
6009:
6005:
4857:
4764:
4712:
4667:
4082:
3949:, threw stones that transformed into babies to repopulate the world. The good preservation of
3598:
by Norwegian paleontologist Erik N. Kjellesvig-Waering in 1948 based on fossils discovered in
3274:
3196:
was erected to include some fossils from the Carboniferous of Scotland, including the species
3029:
3009:
2277:
but has a narrower carapace, smaller eyes and a wider thorax. The spikes along the abdomen of
1221:
1031:
9561:
6012:", a taxon existing for the sole purpose of classifying organisms that do not fit elsewhere.
9412:
9126:
9118:
9108:
9100:
9080:
9051:
8967:
8916:
8683:
8642:
8601:
8572:
8523:
8494:
8443:
8416:
8364:
8331:
8298:
8269:
8240:
8187:
8146:
8089:
8064:
8057:
Rivista Italiana di Paleontologia e Stratigrafia (Research in Paleontology and Stratigraphy)
8024:
8009:
Lamsdell, James C.; McCoy, Victoria E.; Perron-Feller, Opal A.; Hopkins, Melanie J. (2020).
7987:
7979:
7868:
7793:
6084:
6001:
5896:
5601:
5577:
5526:
5457:
5406:
5371:
4976:
4952:
4919:
4690:
4678:
4672:
4663:
3930:
3693:
3532:
2544:
2508:
1184:
1061:
924:
suborder of eurypterids and consisted the only known genus of swimming eurypterids from the
231:
218:
8545:"The ventral anatomy of the Upper Carboniferous eurypterid Anthraconectes Meek and Worthen"
8485:
Tetlie, O. Erik (2007). "Distribution and dispersal history of Eurypterida (Chelicerata)".
7881:
3760:
by Norwegian paleontologist Leif Størmer in 1969 based on fossil remains from the Devonian
3683:
by Spanish paleontologist Bermudo MelĂŠndez in 1971 based on fossils from d'Ablana in Spain.
3420:, Carboniferous in age, was described by Belgian paleontologist Xavier Stainier in 1915 as
9441:
9287:
9144:
9085:
9041:
8944:
8931:
8711:
8015:
6494:
6389:
6172:
5080:
4734:
4620:
4046:
3942:
3761:
3000:
2821:
is, despite its early age, most similar to late Carboniferous and Permian species such as
1204:
were located between, or slightly behind (depending on the species), the larger eyes. The
1001:
963:(worldwide) distribution, one of few eurypterid genera to achieve one besides potentially
925:
3188:
in regards to specimens described after the type specimen in the belief that the type of
1133:
at 18 cm, 7 in). Most of the smaller species are known from the Carboniferous, when
8679:
8638:
7864:
7789:
6207:
family, that occurred in freshwater lakes and basins that completely lacked eurypterids.
3887:
and seven opisthosomal segments on a large block of sandstone. The name of the species,
3620:. The exact identification of these fossils is not possible, but they are identified as
9357:
9315:
9136:
9063:
9023:
9015:
8939:
7992:
7967:
6394:
6365:
6306:
6175:
in the south during the Pennsylvanian and Early Permian, drainage became routed to the
6071:
5429:
5390:
5354:
5042:
4802:
4754:
4708:
4363:
4262:
4162:
4122:
4078:
4023:
4011:
3497:
3425:
3295:
3021:
909:
41:
8466:
8368:
7738:"Eurypterid Beds of Nebraska with Notice of a New Species, "Eurypterus Nebraskaensis""
4225:
remained the only genus of eurypterine eurypterids until the extinction of the group.
3894:
In 2018, Shpinev and Russian researcher A. N. Filimonov described a new species named
3432:, northern Belgium. Though the fossil had been slightly damaged, including the entire
3067:
2415:
is also known for its unusually long telson and generally slender and thin body plan.
1050:
125:
9591:
9364:
9336:
9329:
9301:
9280:
9033:
8972:
8962:
8954:
8908:
8898:
8890:
8846:
8810:
8735:
8723:
8695:
8654:
8613:
8584:
8421:
8404:
8376:
8310:
8202:
8192:
8175:
8166:
8101:
8046:
7805:
6419:. The lack of large coal beds suggests that the fossil localities which have yielded
6317:
s book gills, however, were vertically oriented. This and a fossil of the xiphosuran
5478:
5381:
5193:
4871:
4696:
4303:
4238:
4170:
4166:
3176:
was coined by German paleontologist Friedrich Goldenberg (who also named the species
3012:
in 1854. The apparently eyeless carapace can be seen in the bottom-left illustration.
2263:
978:
940:
913:
83:
45:
8535:
8343:
8281:
8252:
7755:"A New Genus of Characeae and New Merostomata from the Coal Measures of Nova Scotia"
3970:
3607:
1933 saw Ukrainian paleontologist Boris Isidorovich Chernyshev describe the species
9322:
9154:
9090:
9046:
8921:
6360:
6237:
5906:
5892:
5443:
5348:
5342:
5320:
American paleontologist Victor P. Tollerton suggested in 1989 that some species of
5128:
5056:
4819:
4778:
4724:
4547:
4311:
4143:
3821:
3808:
3028:("Of the crustaceans of the coal formation of SaarbrĂźcken"), written by Jordan and
2155:
1164:
261:
8203:"An arthropod (Merostome) ichnocoenosis from the Carboniferous of northwest Spain"
4624:) that occupied niches outside of these habitats continued to survive for a time,
2403:
are on the sternites which separates this species from all other known species of
8498:
8403:
Tetlie, O. Erik; Braddy, Simon J.; Butler, Piers D.; Briggs, Derek E. G. (2004).
8322:(Eurypterida, Chelicerata) from the Devonian of the South Minusinsk Depression".
7814:
7189:
7187:
7185:
7183:
7170:
7168:
7166:
6330:
The dorsal surface of each lamellae is covered by regularly spaced pillar-shaped
6053:
fossils found in obviously marine deposits, such as the Late Devonian Australian
9419:
9396:
9294:
8988:
8881:
8819:
8801:
6499:
6416:
6343:
6204:
6136:
6075:
5509:
4902:
4704:
4684:
4605:
4452:
4342:
stage (from 323.2 to 315.2 million years ago), two species appeared in Belgium,
4323:
4315:
4174:
4138:
is however represented by a single fragmentary specimen whose identification as
3776:
partly due to there previously not being any solid evidence for the presence of
3559:
by American geologist Carl Colton Branson, with the support of Decker, in 1959.
2813:
2663:
2359:, but the spikes running alongside the abdomen are noticeably less prominent in
1911:
1213:
929:
921:
192:
58:
9521:
8011:"Air Breathing in an Exceptionally Preserved 340-Million-Year-Old Sea Scorpion"
5986:, which could have major implications for the internal phylogeny of the genus.
9385:
9371:
9350:
9343:
9308:
9149:
8837:
8828:
8777:
8687:
8664:"Two New Species of Eurypterus from the Coal-Measures of Ilkeston, Derbyshire"
8646:
8605:
8594:
Earth and Environmental Science Transactions of the Royal Society of Edinburgh
8576:
8527:
8335:
8302:
8273:
8244:
8150:
8139:
Earth and Environmental Science Transactions of the Royal Society of Edinburgh
8093:
8082:
Earth and Environmental Science Transactions of the Royal Society of Edinburgh
8068:
8029:
6506:
6465:
6331:
6164:
6124:
6100:
are found, such as in Early Devonian fossil sites in Germany where fossils of
5325:
5176:
5152:
4543:
4339:
4142:
or even eurypterine at large is questionable, with it possibly representing a
4093:
4087:
4007:
3975:
3826:
3343:
3035:
3024:
in Germany. This specimen was described three years later in 1854 in the work
3008:, MB.A. 890, as illustrated in its original description by Hermann Jordan and
2958:
2751:
2222:
can be distinguished by its unusually wide prosoma (in other species, such as
1619:
1526:
1522:
1488:
1391:
1064:
965:
897:
851:
802:
776:
205:
103:
68:
17:
8506:
8457:
8158:
7797:
5876:, as their character states could not be confidently taken into account, and
1851:
as in other species, but this feature may also simply be due to deformation.
9462:
9446:
9436:
8795:
8220:
Denkschriften der KĂśniglich-kaiserlichen Akademie der Wissenschaften in Wien
8121:
7872:
6435:
6347:
6335:
6297:
6293:
6249:
6245:
6200:
4628:, restricted to a rapidly disappearing type of environment, became extinct.
4614:
4527:
4399:, both from SaarbrĂźcken. Further Moscovian-age species include a variety of
4355:
4347:
4233:
to gain an almost worldwide distribution, with Carboniferous-age fossils of
4207:
4202:
Following the extinction of all other swimming eurypterids in the Devonian,
4105:
4003:
3983:
3946:
3629:
3575:
3212:
3084:
2389:
2166:
1840:
1657:
1295:
1205:
1035:
901:
182:
162:
108:
52:
8448:
8431:
8038:
8001:
7983:
6228:
such as the Early Permian Madera Formation in New Mexico (where fossils of
5365:
The results of the analysis showed that all the genera featured (including
4518:, Portugal and the continued survival of the Carboniferous Chinese species
3915:, it has been suggested that these three species could represent synonyms.
3624:
since there are no features showing the opposite. Another Belgian species,
2519:
7534:
7532:
1082:
was, in comparison to larger apex predatory members of the group (such as
9515:
9405:
9378:
7466:
7464:
7153:
7151:
7149:
7147:
6444:
6241:
5358:, was included in the analysis as an outgroup to polarise the characters.
5302:
5104:
4608:
as well as brackish and fresh water habitats. As their habitat vanished,
4503:
4294:
The Early Carboniferous saw the appearance of a few new species, notably
4278:
4113:
4074:
3999:
3994:
The adelophthalmids likely first appeared in the waters of the continent
3987:
3884:
3880:
3752:
In 2004, the German paleontologist Markus Poschmann referred the species
3142:
2856:
2208:
1948:
1848:
1653:
1577:
1197:
1189:
1178:
1102:
997:
993:
98:
93:
78:
73:
63:
8563:
Waterston, Charles D. (1958). "The Scottish Carboniferous Eurypterida".
8115:. Geological Survey of Illinois. Vol. 3: Geology and Palaeontology.
6070:
In general, post-Devonian eurypterids are rare and occur in habitats of
4530:(from 295 to 290.1 million years ago), which also saw the appearance of
4455:
of Italy, the first and hitherto only eurypterid known from the country.
3160:
type specimen in 1934, German paleontologist Paul GuthĂśrl remarked that
9535:
8395:
8387:
Treatise on Invertebrate Paleontology, Part P Arthropoda 2, Chelicerata
7958:
6453:
6429:
6399:
4596:
being widespread and numerous in these times. In most of the locations
4515:
4370:
4270:
4258:
4250:
4246:
4151:
4134:
represents the oldest known eurypterid hitherto discovered in Belgium.
4117:
3995:
3979:
3816:
3429:
3320:
3200:(designated as type, the type specimen consisting of only five tergites
1217:
1095:
982:
974:
113:
88:
7770:
Bicknell, Russell D. C.; Smith, Patrick M.; Poschmann, Markus (2020).
6734:
6732:
6730:
5914:
showing ornamentation similar to the one seen in the Hibbertopteridae.
4042:
was eurytopic (capable of surviving in a wide range of environments).
8789:
7691:
7689:
7687:
7685:
7683:
7134:
7132:
7130:
7128:
7126:
7124:
7122:
7120:
6728:
6726:
6724:
6722:
6720:
6718:
6716:
6714:
6712:
6710:
6393:
The same type of age-based segregation of individuals seen in modern
6233:
6140:
habitat preference of the genus as a whole. Indeed, these coal swamp
6033:
4327:
4282:
4266:
4221:
This diversification did not lead to the evolution of any new generaâ
4027:
3796:
3612:
3587:
3513:
2805:
2781:, as well as prominent epimeras in the preabdomen unlike the latter.
1229:
1201:
1072:
944:
172:
9492:
8663:
8622:
8352:
8077:
4376:
suggests strong evidence of freshwater deposition in the habitat of
4157:
The eurypterids were one of the groups most heavily affected by the
3720:), but this classification is questionable as the morphology of the
5385:, were (or had the potential to be) monophyletic. The monophyly of
3153:
in Illinois (the first species to be described from North America).
1086:), a genus of relatively small eurypterids. The largest species of
6600:
6598:
6596:
6594:
6592:
6590:
6588:
6388:
6339:
6027:
5296:
5284:
4647:
4635:
4286:
4274:
4254:
4242:
4189:
3969:
3876:
3872:
3739:
3516:, referring it to the genus due to similarities with the Scottish
3332:
3066:
2999:
2532:
The fragmentary fossil specimens (consisting of only five tergites
2525:
Originally described as the type species of the synonymized genus
2452:(of similar age and stratigraphical formation in Kansas) in 1959.
2311:
Originally described as the type species of the synonymized genus
1881:
Originally described as the type species of the synonymized genus
1163:
1049:
7719:
7707:
7634:
7632:
7630:
7628:
7626:
7624:
7622:
7494:
7193:
7174:
6785:
6783:
6781:
6779:
6777:
6775:
6773:
6771:
6536:
6534:
6532:
6530:
6528:
4010:, where most of basal adelophthalmid evolution took place in the
3294:) in 1888 based on a fossil recovered by an Edward Wilson of the
3060:, is today held in the arthropod paleontology collections of the
8474:
Bulletin de l'Institut Royal des Sciences Naturelles de Belgique
7815:"New representative of Merostomata from the Lower Carboniferous"
7585:
7583:
6351:
4640:
Line drawings depicting the top and bottom sides of a fossil of
3551:
of similar age and a similar stratigraphical horizon in Kansas,
3311:
Portuguese paleontologist Pereira de Lima described the species
2543:
and shows ornamentation more similar to that seen in the family
948:
9496:
8750:
8318:
Shpinev, Evgeniy S.; Filimonov, A. N. (2018). "A New Record of
7930:"Ueber die Crustaceen der Steinkohlenformation von SaarbrĂźcken"
3122:("elegant" or "fine") and Ancient Greek δÎĎΟι (Ă°erma, "skin").
1313:, the spikes running alongside the abdomen being very similar.
8746:
7088:
7086:
6923:
6921:
3764:
in Germany, to the genus. Poschmann also referred the species
3704:
American paleontologist Roy E. Plotnick referred a species of
3508:) based on a single fossil recovered in New Campbelton in the
3149:, based on fossils recovered in Carboniferous-age deposits at
2769:, differing in a slightly longer and more rounded carapace in
7434:
7432:
7218:
7216:
7214:
7107:
7105:
7103:
7101:
7056:
7054:
7014:
7012:
7010:
7008:
7006:
7004:
7002:
6957:
6955:
6953:
6951:
6876:
6874:
6872:
6870:
6551:
6549:
4506:(from 298.9 to 295 million years ago), saw the appearance of
4310:
recovered from fossil deposits of Early Carboniferous age in
3891:, honors the collector of the type specimen, Stefano Piussi.
3440:
every known Carboniferous eurypterid to be part of the genus
3026:
Ueber die Crustaceen der Steinkohlenformation von SaarbrĂźcken
2870:, but differing in arrangement of tubercles on the segments.
7311:
7309:
6670:
6668:
6666:
6664:
6662:
6660:
6623:
6621:
6619:
6617:
6615:
6613:
4662:
is classified as part of (and lends its name to) the family
4604:
widespread environments such as the signature Carboniferous
3491:
in 1920, based on fossils discovered in Zhaozezhuang, China.
1724:(differing in size and having a relatively longer prosoma),
1113:
at 15 cm, 6 in), the Carboniferous (the aforementioned
6989:
6987:
6974:
6972:
6970:
6833:
6831:
6829:
6685:
6683:
6658:
6656:
6654:
6652:
6650:
6648:
6646:
6644:
6642:
6640:
6334:
located between each lamellae, leaving a space filled with
6135:
fossils are recovered in strata bearing coal (indicating a
4451:
has been recovered from Late Carboniferous deposits in the
4173:. All of these were non-marine groups. Whilst the suborder
2757:
Originally described as a species of the synonymized genus
2632:
Originally described as a species of the synonymized genus
2395:
Originally described as a species of the synonymized genus
2214:
A medium-sized species closely related to other species of
2105:
Originally described as a species of the synonymized genus
1625:
Originally described as a species of the synonymized genus
1583:
Originally described as a species of the synonymized genus
1494:
Originally described as a species of the synonymized genus
1443:
Originally described as a species of the synonymized genus
1351:
Originally described as a species of the synonymized genus
1216:
refers to all segments after the carapace, essentially the
996:
fossil seemingly represented an eyeless eurypterid, with a
7260:
7258:
7245:
7243:
7041:
7039:
6908:
6906:
6904:
6891:
6889:
6804:
6802:
6800:
6798:
6510:âanother eurypterid with an almost worldwide distribution.
6057:, might have been transported from their original habitat.
5418:
where this appendage is known possess one that is thinner.
4600:
was present it appears to have been similar ecologically.
3226:
The second species to be described from North America was
3075:, formerly considered to be the type species of the genus
8207:
Ninth International Geological Congress, Urbana, Illinois
7451:
7449:
7447:
6938:
6936:
4612:
dwindled in number. Whilst some stylonurine eurypterids (
3628:, was described by Pruvost in 1939 based on fossils from
2972:(where they are more rounded). Other differences between
2968:
are more angular in comparison to other species, such as
908:
have been discovered in deposits ranging in age from the
7538:
7507:
7505:
7503:
7234:
4580:
over the course of the late Devonian and Carboniferous.
4567:) were most similar to the very earliest known species,
3724:
specimen is not consistent with that otherwise known of
8126:
The Bulletin of the Buffalo Society of Natural Sciences
7880:
Dunlop, Jason A.; Penney, David; Jekel, Denise (2018).
7662:
7613:
7470:
7157:
7073:
7071:
7069:
6232:
have been recovered) preserve other organisms, such as
4488:
Drawings of the ventral and dorsal sides of fossils of
4030:) deposits of the Klerf Formation in Wilwerath (in the
3907:
is known from similar stratigraphic levels to those of
3669:
where the ventral morphology is not yet known. A genus
3383:
put the species at 12 cm (4.7 in) in length.
3364:
in England. Woodward compared the singular specimen of
3168:
were so similar that they would have been synonyms had
7882:"A summary list of fossil spiders and their relatives"
7550:
5974:
The precise taxonomy and status of the species within
4206:
became the most common of all eurypterids of the late
4165:, eurypterids were rare in marine environments by the
3379:
Despite this, the latest available size estimates for
8109:
Meek, Fielding Bradford; Worthen, Amos Henry (1868).
6171:, located 1,500 km (930 miles) southwards. With
4362:
has been reported from deposits of Bashkirian age in
4034:), Germany, then part of Avalonia within Euramerica.
3898:
based in many well-preserved specimens. Found in the
1200:. The eyes were reniform (bean-shaped) and the small
1176:
Like most eurypterids (with some exceptions, such as
8353:"On a New Eurypterid from the Belgian Coal Measures"
7288:
4161:, following a major decline in diversity during the
1212:
was oval in shape, with the first opisthosomal (the
1137:
was the most abundant, including the "medium-sized"
268:
9505:
9455:
9429:
9395:
9265:
9222:
9184:
9135:
9117:
9099:
9071:
9060:
9032:
9014:
8996:
8985:
8953:
8930:
8907:
8889:
8878:
8862:
8855:
7327:
4447:from Zhaozezhuang, China. Furthermore, the species
4182:becoming the sole survivor of the entire suborder.
1728:(differing in size and having a narrower prosoma),
7772:"Re-evaluating evidence of Australian eurypterids"
6372:The presence of trabeculae also confirms that the
5872:The analysis left out many fragmentary species of
3661:, some, such as van Oyen in 1956, have considered
3277:based on fossils also recovered from Pennsylvania.
1736:(differing in a smaller and narrower prosoma) and
1192:(the segment covering the prosoma, the "head") of
8487:Palaeogeography, Palaeoclimatology, Palaeoecology
6738:
4112:, known from fossil deposits at Pont de Bonne in
3871:became the first eurypterid to be described from
3547:specimen was virtually identical to specimens of
3238:in 1877. That same year, American paleontologist
3234:), by Meek and Worthen from the coal-measures of
7819:State University of Kiev, Geological Collections
7674:
7523:
7482:
6604:
5313:The internal phylogeny and relationships within
4069:had already become widespread, with the species
3922:from the Tournaisian stage of (most likely) the
3444:(among them several species today recognized as
2230:, the prosoma is largely as long as wide but in
2131:, a contemporary species from the same location.
1732:(differing in size and having a wider prosoma),
7695:
7138:
6789:
6750:
6540:
6338:(a fluid found in arthropods, analogous to the
6261:with few eurypterids, possibly indicating that
6151:For instance, the latest surviving examples of
5324:may be better placed within a new genus in the
4077:(~382.2 to 372.2 million years old) age in the
3192:represented the fossil remains of a cockroach.
2234:it is considerably more wide than it is long).
1038:. The genus as it is currently seen may form a
1034:" with poorly known internal relationships and
8565:Transactions of the Royal Society of Edinburgh
8078:"The Anatomy and Relations of the EurypteridĂŚ"
7830:Clarke, John Mason; Ruedemann, Rudolf (1912).
7589:
6762:
6627:
6015:Additionally, most of the species referred to
3048:, meaning "no obvious eye". The species name,
2351:and then transferred to the synonymized genus
8762:
7966:Lamsdell, James C.; Braddy, Simon J. (2009).
7650:
7601:
7574:
7562:
6820:
6555:
3978:, composed of the once individual continents
2976:and the type species is the ornamentation of
1712:A slightly larger than medium-sized species,
1129:at 15 cm, 6 in) and during the Permian (
992:means "no obvious eye", referencing that the
8:
7928:Jordan, Hermann; von Meyer, Hermann (1854).
7315:
7300:
7276:
7018:
6927:
6689:
6674:
6567:
6346:) in each. Trabeculae are commonly found in
4707:suborder of eurypterids (Adelophthalmoidea,
4546:(290.1 to 283.5 million years ago) stage of
4085:, the only eurypterid with the exception of
3953:allowed researchers to examine parts of its
1220:) having a reduced length and being tapered
8623:"Note on Eurypterus from the Carboniferous"
8357:Quarterly Journal of the Geological Society
7759:Transactions of the Royal Society of Canada
7638:
7423:
7060:
7030:
6008:), meeting every criterion to be dubbed a "
9493:
9068:
8993:
8886:
8859:
8769:
8755:
8747:
8430:Tetlie, O. Erik; Dunlop, Jason A. (2005).
7907:Hallam, Anthony; Wignall, Paul B. (1997).
7351:
7339:
6849:
4146:eurypterid instead. Devonian specimens of
2399:. The spikes running along the abdomen of
1249:
939:have been described from four continents;
124:
31:
9653:Carboniferous arthropods of North America
8447:
8420:
8201:Romano, Marco; MelĂŠndez, Bermudo (1985).
8191:
8028:
7991:
7249:
7222:
6993:
6837:
5982:and the second oldest described species,
5891:as it is currently understood may form a
4666:, the only family within the superfamily
2018:A medium-sized and poorly known species,
8465:Tetlie, O. Erik; van Roy, Peter (2006).
7387:
7375:
7264:
7092:
7045:
6912:
6895:
6131:stages of the Carboniferous, from which
5904:supposedly being similar to the obscure
4150:have allegedly also been recovered from
3582:was first described formally in 1952 as
3527:1924 saw the description of the species
3273:) together with American paleontologist
2777:has a shorter and rounder carapace than
7455:
7438:
7411:
7111:
6961:
6880:
6861:
6701:
6579:
6524:
6123:in freshwater habitats occurred in the
4526:lasted until the subsequent stage, the
4073:having been recovered from deposits of
3476:honors the prominent Belgian geologist
1208:(a large plate part of the abdomen) of
874:
848:
825:
799:
773:
723:
301:
7836:. University of California Libraries.
7511:
7399:
7363:
7205:
5997:contains a large amount of species (33
3611:based in one single specimen from the
3510:Municipality of the County of Victoria
2984:being markedly more slender in shape.
1228:ended with a long and sharp styliform
599:Lamsdell, Simonetto & Selden, 2013
8384:Størmer, Leif (1955). "Merostomata".
7663:Lamsdell, Simonetto & Selden 2013
7614:Lamsdell, Simonetto & Selden 2013
7471:Lamsdell, Simonetto & Selden 2013
7158:Lamsdell, Simonetto & Selden 2013
7077:
6978:
6942:
6167:and drainage of the basin was to the
5346:, part of a clade that also contains
4559:, the final stragglers of the genus (
3832:Shpinev described two new species of
3756:first described as part of the genus
3064:under the specimen number MB.A. 890.
2908:Originally described as a species of
2862:Originally described as a species of
2811:Originally described as a species of
2715:Originally described as a species of
2482:Originally described as a species of
2347:Originally described as a species of
2261:Originally described as a species of
2258:Latest Carboniferous â Early Permian
2172:Originally described as a species of
1786:Originally described as a species of
1663:Originally described as a species of
1532:Originally described as a species of
1397:Originally described as a species of
1301:Originally described as a species of
1145:(12 cm, 4.7 in) and the smaller
7:
7910:Mass Extinctions and Their Aftermath
7551:Bicknell, Smith & Poschmann 2020
6808:
6078:, having migrated from the marginal
4061:, are the earliest known species of
3265:In 1888, Hall described the species
1802:they point backwards and outwards).
1355:. The posterior swimming paddles of
9668:Permian arthropods of North America
8516:Journal of Systematic Palaeontology
6498:âthe last known surviving walking (
6403:, pictured) has been inferred from
6191:Later fossil localities containing
5742:
5718:
5694:
5670:
5646:
5622:
5593:
5569:
5501:
5494:
5470:
5463:
5435:
5425:
5168:
5144:
5120:
5096:
5072:
5048:
4968:
4944:
4894:
4887:
4863:
4853:
4794:
4770:
4760:
4750:
4738:, sharing similar carapace shapes.
4120:. Alongside a Famennian species of
3858:Borissiak Paleontological Institute
3555:was designated a junior synonym of
2448:was synonymized with the identical
1078:Though the largest adelophthalmid,
9683:Paleozoic animals of North America
9648:Carboniferous arthropods of Europe
3844:(the name deriving from the Latin
3568:Eurypterus (Anthraconectes) Zadrai
3360:) based on fossils recovered from
3352:In 1907, Henry Woodward described
3125:In 1868, American paleontologists
25:
8369:10.1144/GSL.JGS.1915.071.01-04.24
3933:. For this reason, it was called
2565:Lamsdell, Simonetto & Selden
1720:. The species is most similar to
1168:Size comparison of 11 species of
9479:
9478:
9175:
8422:10.1111/j.0031-0239.2004.00390.x
8193:10.1111/j.1475-4983.2005.00528.x
8122:"The Habitat of the Eurypterida"
6468:
5281:Internal phylogeny and monophyly
4478:
4469:
4322:known from fossil deposits near
4014:. The earliest known species of
3974:Map of the Devonian landmass of
3337:Drawing of the type specimen of
3319:) in 1890 based on fossils from
3258:) based on fossils recovered in
3062:Natural History Museum of Berlin
2773:. Other related species such as
2407:(with the possible exception of
2127:was considerably different from
1121:at 20 cm, 7.9 in, and both
149:
9468:Timeline of eurypterid research
6739:Dunlop, Penney & Jekel 2018
6489:Timeline of eurypterid research
6323:suggest that the book gills of
6252:. The thin and long paddles of
4403:from Europe and North America;
4237:having been recovered from the
4104:known from the Devonian is the
3945:who, together with her husband
3856:, Russia and now housed at the
2920:are less pointed than those of
969:. The territorial expansion of
8390:. University of Kansas Press.
7896:Goldenberg, Friedrich (1873).
7891:. Natural History Museum Bern.
5379:was assigned to the new genus
4583:As with many other species of
4159:Late Devonian extinction event
3574:in 1930 based on fossils from
3401:in 1914 by American geologist
3341:from its 1915 description (as
3184:) in 1873 to replace the name
2281:point backwards and outwards.
1245:Braddy unless otherwise noted.
1008:would have possessed in life.
900:, an extinct group of aquatic
1:
9633:Devonian arthropods of Europe
7813:Chernyshev, Boris I. (1948).
5990:Status as a wastebasket taxon
4498:The Permian fossil record of
4415:from Vlkhys, Czech Republic,
4045:Three other species from the
3712:(first described in 1889) to
2458:Adelophthalmus pennsylvanicus
2355:. This species is similar to
1153:(both at 8 cm, 3.1 in),
467:Shpinev & Filimonov, 2018
9663:Permian arthropods of Europe
9608:Eurypterids of North America
8499:10.1016/j.palaeo.2007.05.011
8120:O'Connell, Marjorie (1916).
7675:Shpinev & Filimonov 2018
7524:Shpinev & Filimonov 2018
7483:Shpinev & Filimonov 2018
6605:Shpinev & Filimonov 2018
4555:Out of all known species of
3236:Venango County, Pennsylvania
3052:, is derived from the latin
2180:is questionably referred to
282:Jordan & von Meyer, 1854
255:Jordan & von Mayer, 1854
27:Genus of arthropods (fossil)
7913:. Oxford University Press.
7853:American Journal of Science
7833:The Eurypterida of New York
7696:Tetlie & Poschmann 2008
7139:Tetlie & Poschmann 2008
6790:Tetlie & Poschmann 2008
6751:Clarke & Ruedemann 1912
6541:Jordan & von Meyer 1854
4435:from Radstock, England and
3531:by American paleontologist
3448:, such as the type species
3107:likely was synonymous with
2421:Adelophthalmus oklahomensis
2371:Adelophthalmus nebraskensis
2273:is perhaps most similar to
1987:Adelophthalmus kamyshtensis
1450:Designated as a synonym of
1317:can be differentiated from
1277:Adelophthalmus approximatus
1071:were small and streamlined
920:was the final genus of the
9699:
9673:Permian arthropods of Asia
9638:Devonian life of Australia
9623:Devonian first appearances
8724:"Latin Lexicon â granosus"
8543:Wills, Leonard J. (1964).
8174:Poschmann, Markus (2006).
7742:Nebraska Geological Survey
7736:Barbour, Erwin H. (1914).
7590:Lamsdell & Braddy 2009
6763:Romano & MelĂŠndez 1985
6628:Lamsdell & Braddy 2009
5578:Nanahughmilleria norvegica
5375:, where the basal species
4100:The only other species of
4097:known from the continent.
3780:as early as the Devonian.
3413:) as a freshwater animal.
2539:is unusually large for an
2190:Adelophthalmus luceroensis
2067:might represent synonyms.
1981:might represent synonyms.
1922:Adelophthalmus khakassicus
1843:(a feature shared only by
1756:might represent synonyms.
1504:Adelophthalmus carbonarius
1419:Adelophthalmus caledonicus
1365:Adelophthalmus bradorensis
1018:) to 32 cm (12.6 in,
611:(Kjellesvig-Waering, 1948)
539:(Meek & Worthen, 1868)
9678:Permian genus extinctions
9643:Carboniferous eurypterids
9476:
9173:
8870:List of eurypterid genera
8784:
8736:"Latin Lexicon â lepidus"
8688:10.1017/S0016756800133515
8647:10.1017/S0016756800182494
8606:10.1017/s0080456800014472
8577:10.1017/S0080456800009492
8528:10.1017/S1477201907002416
8351:Stainier, Xavier (1915).
8336:10.1134/S0031030118130129
8303:10.1134/S0031030114030162
8274:10.1134/S0031030112050103
8245:10.1134/S0031030106040083
8151:10.1017/S0080456800026569
8094:10.1017/S0080456800032713
8030:10.1016/j.cub.2020.08.034
7651:Tetlie & van Roy 2006
7602:Tetlie & van Roy 2006
7575:Hallam & Wignall 1997
7563:Tetlie & van Roy 2006
6632:Supplementary information
6556:Tetlie & van Roy 2006
6484:List of eurypterid genera
6411:In the Madera Formation,
5764:
5747:
5740:
5723:
5716:
5699:
5692:
5675:
5668:
5651:
5644:
5627:
5620:
5598:
5591:
5574:
5567:
5527:Pittsfordipterus phelpsae
5523:
5506:
5499:
5492:
5475:
5468:
5461:
5440:
5433:
5389:was supported by several
5369:), with the exception of
5190:
5173:
5166:
5149:
5142:
5125:
5118:
5101:
5094:
5077:
5070:
5053:
5046:
4990:
4973:
4966:
4949:
4942:
4916:
4899:
4892:
4885:
4868:
4861:
4851:
4816:
4799:
4792:
4775:
4768:
4758:
4443:in Pennsylvania, USA and
4298:, the earliest record of
3504:in 1922 (as a species of
3472:today). The species name
3468:(both seen as species of
3232:Eurypterus pennsylvanicus
3172:possessed eyes. The name
3135:Anthraconectes mazonensis
2835:Adelophthalmus waterstoni
2492:Adelophthalmus perornatus
2287:Adelophthalmus mazonensis
2240:Adelophthalmus mansfieldi
1359:were particularly large.
1270:
1267:
1141:(13 cm, 5.1 in) and
1109:at 18 cm, 7 in, and
714:
707:
311:(Hall & Clarke, 1888)
292:
287:
267:
260:
146:Scientific classification
144:
132:
123:
34:
8662:Woodward, Henry (1907).
8621:Woodward, Henry (1888).
8112:Paleontology of Illinois
8076:Laurie, Malcolm (1895).
7902:. Chr. MĂśllinger Verlag.
7798:10.1016/j.gr.2020.06.002
7753:Bell, Walter A. (1922).
7316:Tetlie & Dunlop 2005
7301:Tetlie & Dunlop 2005
7289:Latin Lexicon â granosus
7277:Tetlie & Dunlop 2005
7019:Tetlie & Dunlop 2005
6928:Tetlie & Dunlop 2005
6690:Tetlie & Dunlop 2005
6675:Tetlie & Dunlop 2005
6568:Tetlie & Dunlop 2005
6268:The localities in which
6119:The largest presence of
6085:Parahughmilleria hefteri
5602:Parahughmilleria hefteri
4427:from Pennsylvania, USA,
4411:from Radstock, England,
3811:, the only others being
3728:The differences include
3529:Anthraconectes sellardsi
3489:Anthraconectes chinensis
3317:Adelophthalmus douvillei
3178:Polyzosternites raniceps
3101:August Emanuel von Reuss
2964:The abdominal spikes of
2787:Adelophthalmus sievertsi
2725:Adelophthalmus sellardsi
2218:found in North America,
1926:Shpinev & Filimonov
1635:Adelophthalmus douvillei
1558:Adelophthalmus chinensis
1271:Notes & description
1255:
1157:(7 cm, 2.8 in) and
959:might have had a nearly
739:Meek & Worthen, 1868
515:Kues & Kietzke, 1981
8324:Paleontological Journal
8291:Paleontological Journal
8262:Paleontological Journal
8233:Paleontological Journal
8069:10.13130/2039-4942/6029
7947:Journal of Paleontology
7873:10.2475/ajs.s5-7.39.171
7639:Kues & Kietzke 1981
7424:Kues & Kietzke 1981
7328:Latin Lexicon â lepidus
7061:Meek & Worthen 1868
7031:Kues & Kietzke 1981
5414:. All other species of
4670:, alongside the genera
4423:from Blaengarw, Wales,
4384:) species from Canada.
4380:, a Radstockian (Upper
4366:of the Czech Republic.
4358:, and a third species,
3900:Ilemorovskaya Formation
3637:All synonymous genera;
3572:Anthraconectes cambieri
3483:The American geologist
3368:to fossil specimens of
3271:Eurypterus approximatus
3260:Cannelton, Pennsylvania
3211:, by British geologist
3118:derives from the Latin
2691:Adelophthalmus raniceps
2600:Adelophthalmus pruvosti
2073:Adelophthalmus kidstoni
1808:Adelophthalmus granosus
1576:Latest Carboniferous â
1462:Adelophthalmus cambieri
1327:Adelophthalmus asturica
955:, which indicates that
273:Adelophthalmus granosus
9613:Eurypterids of Oceania
8449:10.1002/mmng.200410001
7984:10.1098/rsbl.2009.0700
6408:
6307:Onychopterella augusti
6104:have been discovered,
6041:
5510:Bassipterus virginicus
5333:with common practice.
5310:
5294:
4656:
4645:
4407:from dâAblana, Spain,
4199:
4006:and form the landmass
3991:
3935:Adelophthalmus pyrrhae
3766:Rhenopterus waterstoni
3749:
3500:described the species
3487:described the species
3485:Amadeus William Grabau
3428:at a new coalfield in
3358:Adelophthalmus moyseyi
3349:
3292:Adelophthalmus wilsoni
3286:described the species
3282:The English geologist
3242:described the species
3180:, today recognized as
3127:Fielding Bradford Meek
3088:
3016:The first specimen of
3013:
2876:Adelophthalmus wilsoni
2642:Adelophthalmus pyrrhae
2561:Adelophthalmus piussii
2323:Adelophthalmus moyseyi
2139:Adelophthalmus lohesti
1762:Adelophthalmus dumonti
1593:Adelophthalmus corneti
1173:
1058:
9618:Eurypterids of Europe
9570:Paleobiology Database
7485:, pp. 1553â1559.
6392:
6385:Age-based segregation
6286:X-ray microtomography
6096:and early species of
6031:
5479:Eysyslopterus patteni
5300:
5288:
4651:
4639:
4369:The abundance of the
4330:). The appearance of
4193:
3973:
3854:Republic of Khakassia
3743:
3653:, were subsumed into
3584:Adelophthalmus zadrai
3562:The type specimen of
3356:(today recognized as
3336:
3304:Eurypterus mansfieldi
3070:
3004:The type specimen of
3003:
2932:Adelophthalmus zadrai
1893:Adelophthalmus irinae
1857:Adelophthalmus imhofi
1673:Adelophthalmus dubius
1167:
1161:(6 cm, 2.4 in).
1053:
675:(Tetlie et al., 2004)
9628:Devonian eurypterids
7889:World Spider Catalog
7720:Lamsdell et al. 2020
7708:Lamsdell et al. 2020
7495:Lamsdell et al. 2020
7194:Lamsdell et al. 2020
7175:Lamsdell et al. 2020
6004:and the superfamily
4510:in New Mexico, USA,
4419:from Illinois, USA,
4032:Rhineland-Palatinate
3961:Evolutionary history
3736:Twenty-first century
3681:Lepidoderma asturica
3596:Lepidoderma pruvosti
3313:Eurypterus douvillei
3302:(then classified as
3156:After examining the
2996:Earliest discoveries
2947:Possible synonym of
2891:Possible synonym of
2740:Possible synonym of
2615:Possible synonym of
2088:Possible synonym of
1937:Possible synonym of
1820:Valid, type species
1740:(differing in size).
1690:Possible synonym of
1608:Possible synonym of
1477:Possible synonym of
1380:Possible synonym of
1054:Life restoration of
9658:Permian eurypterids
9603:Eurypterids of Asia
8680:1907GeoM....4..277W
8668:Geological Magazine
8639:1888GeoM....5..419W
8627:Geological Magazine
7865:1924AmJS....7..171D
7790:2020GondR..86..164B
7698:, pp. 241â243.
7641:, pp. 725â728.
7441:, pp. 431â433.
7366:, pp. 526â527.
7208:, pp. 200â201.
7141:, pp. 239â241.
7114:, pp. 201â203.
7095:, pp. 279â281.
6981:, pp. 517â522.
6964:, pp. 470â473.
6883:, pp. 473â474.
6864:, pp. 288â291.
6811:, pp. 164â165.
6476:Paleontology portal
6369:from the Devonian.
6320:Tachypleus syriacus
6032:Fossil abdomen and
4431:from Lens, France,
3924:Lydiennes Formation
3789:Nazarovsky District
3496:Canadian geologist
3141:being designated a
3079:, exhibited at the
2991:History of research
2604:Kjellesvig-Waering
2579:Late Carboniferous
2291:Meek & Worthen
2194:Kues & Kietzke
2027:is most similar to
1405:is most similar to
133:Fossil specimen of
8998:Onychopterelloidea
7539:Tetlie et al. 2004
7235:Tetlie et al. 2004
6409:
6215:Diet and predation
6169:Paleo-Tethys Ocean
6042:
5311:
5295:
4657:
4646:
4534:in Nebraska, USA.
4216:Late Carboniferous
4200:
4108:(latest Devonian)
3992:
3955:respiratory system
3939:Pyrrha of Thessaly
3883:and consists of a
3793:Krasnoyarsk Region
3750:
3422:Eurypterus dumonti
3362:Radstock, Somerset
3354:Eurypterus moyseyi
3350:
3288:Eurypterus wilsoni
3131:Amos Henry Worthen
3097:Lepidoderma imhofi
3089:
3081:Senckenberg Museum
3014:
2980:being coarser and
2765:seems to resemble
1790:. Very similar to
1281:Hall & Clarke
1174:
1059:
1040:monophyletic group
639:(Goldenberg, 1873)
9598:Adelophthalmoidea
9585:
9584:
9557:Open Tree of Life
9499:Taxon identifiers
9490:
9489:
9171:
9170:
9167:
9166:
9163:
9162:
9119:Adelophthalmoidea
9101:Waeringopteroidea
9073:Carcinosomatoidea
9006:Onychopterellidae
8981:
8980:
8330:(13): 1553â1560.
8023:(21): 4316â4321.
7934:Palaeontographica
7777:Gondwana Research
7279:, pp. 10â11.
7225:, pp. 80â81.
6945:, pp. 81â83.
6211:
6188:
6177:Panthalassa Ocean
6148:
6116:
6061:
6046:Adelophthalmoidea
6010:wastebasket taxon
5918:
5885:
5869:
5868:
5860:
5859:
5851:
5850:
5842:
5841:
5833:
5832:
5824:
5823:
5815:
5814:
5806:
5805:
5797:
5796:
5788:
5787:
5779:
5778:
5556:
5555:
5547:
5546:
5538:
5537:
5422:
5397:
5362:
5277:
5276:
5268:
5267:
5259:
5258:
5250:
5249:
5241:
5240:
5232:
5231:
5223:
5222:
5214:
5213:
5205:
5204:
5032:
5031:
5023:
5022:
5014:
5013:
5005:
5004:
4931:
4930:
4858:Adelophthalmoidea
4840:
4839:
4831:
4830:
4765:Waeringopteroidea
4747:
4719:
4668:Adelophthalmoidea
4542:, known from the
4425:A. pennsylvanicus
4083:Western Australia
3679:was described as
3520:and the American
3462:E. pennsylvanicus
3458:A. pennsylvanicus
3389:was described as
3329:Twentieth century
3275:John Mason Clarke
3228:A. pennsylvanicus
3030:Hermann von Meyer
3010:Hermann von Meyer
2988:
2987:
2951:
2895:
2744:
2619:
2585:is unique within
2555:
2512:
2159:
2092:
2015:
2008:
1989:
1941:
1847:) and not on the
1744:
1709:
1702:
1694:
1675:
1612:
1481:
1384:
1151:A. pennsylvanicus
1032:wastebasket taxon
988:The generic name
889:
888:
882:
871:
859:
845:
833:
822:
810:
796:
784:
770:
758:
749:
740:
731:
720:
700:
688:
676:
664:
652:
640:
628:
612:
600:
588:
576:
570:A. pennsylvanicus
564:
552:
540:
528:
516:
504:
492:
480:
468:
456:
444:
432:
420:
408:
396:
384:
372:
360:
348:
336:
324:
312:
298:
256:
219:Adelophthalmoidea
51:407.6â283.5
16:(Redirected from
9690:
9578:
9577:
9565:
9564:
9552:
9551:
9539:
9538:
9526:
9525:
9524:
9494:
9482:
9481:
9456:Related articles
9413:Merostomichnites
9179:
9127:Adelophthalmidae
9109:Waeringopteridae
9081:Carcinosomatidae
9069:
9052:Strobilopteridae
8994:
8968:Hibbertopteridae
8917:Parastylonuridae
8887:
8860:
8771:
8764:
8757:
8748:
8743:
8740:latinlexicon.org
8731:
8728:latinlexicon.org
8719:
8712:"Glosbe â δÎĎΟι"
8699:
8658:
8617:
8588:
8559:
8549:
8539:
8510:
8493:(3â4): 557â574.
8481:
8471:
8461:
8451:
8426:
8424:
8399:
8380:
8363:(1â4): 639â647.
8347:
8314:
8285:
8256:
8227:
8214:
8197:
8195:
8170:
8133:
8116:
8105:
8072:
8050:
8032:
8005:
7995:
7962:
7941:
7924:
7903:
7892:
7886:
7876:
7847:
7826:
7809:
7766:
7749:
7723:
7717:
7711:
7705:
7699:
7693:
7678:
7672:
7666:
7660:
7654:
7648:
7642:
7636:
7617:
7611:
7605:
7599:
7593:
7587:
7578:
7572:
7566:
7560:
7554:
7548:
7542:
7536:
7527:
7521:
7515:
7509:
7498:
7492:
7486:
7480:
7474:
7468:
7459:
7453:
7442:
7436:
7427:
7421:
7415:
7409:
7403:
7397:
7391:
7385:
7379:
7373:
7367:
7361:
7355:
7349:
7343:
7337:
7331:
7325:
7319:
7313:
7304:
7298:
7292:
7286:
7280:
7274:
7268:
7262:
7253:
7247:
7238:
7232:
7226:
7220:
7209:
7203:
7197:
7191:
7178:
7172:
7161:
7155:
7142:
7136:
7115:
7109:
7096:
7090:
7081:
7075:
7064:
7058:
7049:
7043:
7034:
7028:
7022:
7016:
6997:
6991:
6982:
6976:
6965:
6959:
6946:
6940:
6931:
6925:
6916:
6910:
6899:
6893:
6884:
6878:
6865:
6859:
6853:
6847:
6841:
6835:
6824:
6818:
6812:
6806:
6793:
6787:
6766:
6760:
6754:
6748:
6742:
6741:, p. 24â25.
6736:
6705:
6699:
6693:
6687:
6678:
6672:
6635:
6625:
6608:
6602:
6583:
6577:
6571:
6565:
6559:
6553:
6544:
6543:, pp. 1â15.
6538:
6478:
6473:
6472:
6471:
6316:
6208:
6185:
6145:
6113:
6106:Parahughmilleria
6094:Parahughmilleria
6058:
6006:Adelopthalmoidea
5915:
5897:phylogenetically
5882:
5743:
5719:
5695:
5671:
5647:
5623:
5594:
5570:
5502:
5495:
5471:
5464:
5458:Adelophthalmidae
5436:
5426:
5419:
5412:Nanahughmilleria
5407:Parahughmilleria
5394:
5372:Nanahughmilleria
5359:
5169:
5145:
5121:
5097:
5073:
5049:
4977:Parahughmilleria
4969:
4953:Nanahughmilleria
4945:
4920:Pittsfordipterus
4895:
4888:
4864:
4854:
4795:
4771:
4761:
4751:
4744:
4716:
4713:waeringopteroids
4691:Pittsfordipterus
4679:Nanahughmilleria
4673:Parahughmilleria
4664:Adelophthalmidae
4482:
4473:
4314:) and Asia (the
3941:, a figure from
3694:Madera Formation
3533:Carl Owen Dunbar
3403:Erwin H. Barbour
3246:(under the name
3046:, Adelophthalmus
2961:(Carboniferous)
2946:
2905:(Carboniferous)
2890:
2739:
2712:(Carboniferous)
2666:(Carboniferous)
2629:(Carboniferous)
2614:
2552:
2545:Hibbertopteridae
2522:(Carboniferous)
2506:
2479:(Carboniferous)
2344:(Carboniferous)
2308:(Carboniferous)
2153:
2102:(Carboniferous)
2087:
2012:
2005:
1988:
1936:
1914:(Carboniferous)
1878:(Carboniferous)
1829:(Carboniferous)
1783:(Carboniferous)
1741:
1706:
1699:
1689:
1674:
1622:(Carboniferous)
1607:
1529:(Carboniferous)
1491:(Carboniferous)
1476:
1394:(Carboniferous)
1379:
1250:
1240:Table of species
1185:Rhinocarcinosoma
880:
866:
857:
840:
831:
817:
808:
791:
782:
765:
756:
748:Goldenberg, 1873
747:
738:
729:
718:
698:
687:(Woodward, 1888)
686:
674:
662:
650:
638:
622:
610:
598:
586:
574:
562:
551:(Woodward, 1907)
550:
538:
526:
514:
503:(Dewalque, 1889)
502:
490:
478:
466:
454:
442:
430:
419:(Stainier, 1915)
418:
406:
394:
382:
370:
359:Chernyshev, 1933
358:
346:
334:
323:(Melendez, 1971)
322:
310:
296:
270:
250:
243:
232:Adelophthalmidae
230:
217:
204:
154:
153:
128:
118:
55:
40:Temporal range:
32:
21:
9698:
9697:
9693:
9692:
9691:
9689:
9688:
9687:
9588:
9587:
9586:
9581:
9573:
9568:
9560:
9555:
9547:
9542:
9534:
9529:
9520:
9519:
9514:
9501:
9491:
9486:
9472:
9451:
9442:Chasmataspidida
9425:
9391:
9288:Campylocephalus
9261:
9218:
9180:
9159:
9145:Hughmilleriidae
9131:
9113:
9095:
9086:Megalograptidae
9062:
9056:
9042:Dolichopteridae
9028:
9016:Moselopteroidea
9010:
8987:
8977:
8963:Drepanopteridae
8949:
8945:Hardieopteridae
8932:Kokomopteroidea
8926:
8903:
8880:
8874:
8851:
8780:
8775:
8734:
8722:
8710:
8707:
8702:
8661:
8620:
8591:
8562:
8547:
8542:
8513:
8484:
8469:
8464:
8429:
8402:
8383:
8350:
8317:
8288:
8259:
8230:
8217:
8200:
8173:
8136:
8119:
8108:
8075:
8053:
8016:Current Biology
8008:
7972:Biology Letters
7965:
7944:
7927:
7921:
7906:
7895:
7884:
7879:
7859:(39): 171â209.
7850:
7844:
7829:
7812:
7769:
7752:
7735:
7731:
7726:
7722:, pp. 3â4.
7718:
7714:
7710:, pp. 2â3.
7706:
7702:
7694:
7681:
7677:, p. 1555.
7673:
7669:
7661:
7657:
7649:
7645:
7637:
7620:
7612:
7608:
7600:
7596:
7588:
7581:
7573:
7569:
7561:
7557:
7549:
7545:
7537:
7530:
7526:, p. 1553.
7522:
7518:
7510:
7501:
7497:, pp. 1â5.
7493:
7489:
7481:
7477:
7469:
7462:
7454:
7445:
7437:
7430:
7422:
7418:
7410:
7406:
7398:
7394:
7386:
7382:
7374:
7370:
7362:
7358:
7352:Goldenberg 1873
7350:
7346:
7338:
7334:
7326:
7322:
7314:
7307:
7299:
7295:
7287:
7283:
7275:
7271:
7263:
7256:
7248:
7241:
7233:
7229:
7221:
7212:
7204:
7200:
7192:
7181:
7173:
7164:
7156:
7145:
7137:
7118:
7110:
7099:
7091:
7084:
7076:
7067:
7059:
7052:
7044:
7037:
7029:
7025:
7017:
7000:
6996:, pp. 3â4.
6992:
6985:
6977:
6968:
6960:
6949:
6941:
6934:
6930:, pp. 7â8.
6926:
6919:
6911:
6902:
6894:
6887:
6879:
6868:
6860:
6856:
6850:Chernyshev 1948
6848:
6844:
6836:
6827:
6819:
6815:
6807:
6796:
6788:
6769:
6761:
6757:
6749:
6745:
6737:
6708:
6700:
6696:
6688:
6681:
6673:
6638:
6626:
6611:
6607:, p. 1559.
6603:
6586:
6578:
6574:
6566:
6562:
6554:
6547:
6539:
6526:
6522:
6517:
6495:Campylocephalus
6474:
6469:
6467:
6464:
6395:horseshoe crabs
6387:
6314:
6282:
6250:spirorbid worms
6226:Adelophthalmus,
6217:
6157:SaarâNahe Basin
6062:In the case of
6026:
6002:Adelopthalmidae
5992:
5870:
5861:
5852:
5843:
5834:
5825:
5816:
5807:
5798:
5789:
5780:
5557:
5548:
5539:
5283:
5278:
5269:
5260:
5251:
5242:
5233:
5224:
5215:
5206:
5081:Herefordopterus
5033:
5024:
5015:
5006:
4932:
4841:
4832:
4735:Herefordopterus
4634:
4621:Campylocephalus
4550:in Kansas, USA.
4536:A. nebraskensis
4532:A. nebraskensis
4496:
4495:
4494:
4493:
4490:A. nebraskensis
4485:
4484:
4483:
4475:
4474:
4463:
4296:A. approximatus
4196:A. approximatus
4188:
4055:A. kamyshtensis
4047:Middle Devonian
3968:
3963:
3943:Greek mythology
3909:A. kamyshtensis
3850:A. kamyshtensis
3838:A. kamyshtensis
3770:Adelophthalmus.
3762:Klerf Formation
3738:
3726:Adelophthalmus.
3651:Polyzosternites
3553:A. oklahomensis
3545:A. oklahomensis
3541:A. oklahomensis
3464:and especially
3387:A. nebraskensis
3331:
3315:(today seen as
3267:A. approximatus
3174:Polyzosternites
2998:
2993:
2717:Polyzosternites
2677:was similar to
2446:A. oklahomensis
2413:A. nebraskensis
2401:A. nebraskensis
2057:A. kamyshtensis
2025:A. kamyshtensis
2020:A. kamyshtensis
2011:Middle Devonian
1975:A. kamyshtensis
1939:A. kamyshtensis
1845:A. nebraskensis
1754:A. kamyshtensis
1730:A. nebraskensis
1705:Middle Devonian
1692:A. kamyshtensis
1348:(Carbonferous)
1315:A. approximatus
1307:A. approximatus
1268:Temporal range
1242:
1155:A. approximatus
1048:
1022:). As of 2020,
1002:junior synonyms
926:Middle Devonian
918:Adelopththalmus
885:
879:
877:A. oklahomensis
873:
872:
862:
856:
847:
846:
836:
830:
824:
823:
813:
807:
798:
797:
787:
781:
772:
771:
761:
755:
746:
744:Polyzosternites
737:
728:
722:
721:
703:
697:
685:
673:
663:(Størmer, 1969)
661:
649:
637:
621:
609:
597:
585:
573:
563:(Barbour, 1914)
561:
558:A. nebraskensis
549:
537:
525:
513:
501:
489:
477:
474:A. kamyshtensis
465:
453:
441:
429:
417:
405:
395:(de Lima, 1890)
393:
383:(Pruvost, 1939)
381:
369:
357:
347:(Pruvost, 1930)
345:
333:
321:
309:
306:A. approximatus
300:
299:
283:
276:
249:
241:
228:
215:
202:
148:
137:illustrated by
119:
117:
116:
111:
106:
101:
96:
91:
86:
81:
76:
71:
66:
61:
50:
49:
38:
28:
23:
22:
15:
12:
11:
5:
9696:
9694:
9686:
9685:
9680:
9675:
9670:
9665:
9660:
9655:
9650:
9645:
9640:
9635:
9630:
9625:
9620:
9615:
9610:
9605:
9600:
9590:
9589:
9583:
9582:
9580:
9579:
9566:
9553:
9540:
9527:
9511:
9509:
9507:Adelophthalmus
9503:
9502:
9497:
9488:
9487:
9477:
9474:
9473:
9471:
9470:
9465:
9459:
9457:
9453:
9452:
9450:
9449:
9444:
9439:
9433:
9431:
9430:Related groups
9427:
9426:
9424:
9423:
9416:
9409:
9401:
9399:
9393:
9392:
9390:
9389:
9382:
9375:
9368:
9361:
9358:Onychopterella
9354:
9347:
9340:
9333:
9326:
9319:
9316:Hibbertopterus
9312:
9305:
9298:
9291:
9284:
9277:
9274:Adelophthalmus
9269:
9267:
9266:Notable genera
9263:
9262:
9260:
9259:
9254:
9249:
9244:
9239:
9234:
9228:
9226:
9220:
9219:
9217:
9216:
9211:
9206:
9201:
9196:
9190:
9188:
9182:
9181:
9174:
9172:
9169:
9168:
9165:
9164:
9161:
9160:
9158:
9157:
9152:
9147:
9141:
9139:
9137:Pterygotioidea
9133:
9132:
9130:
9129:
9123:
9121:
9115:
9114:
9112:
9111:
9105:
9103:
9097:
9096:
9094:
9093:
9088:
9083:
9077:
9075:
9066:
9064:Diploperculata
9058:
9057:
9055:
9054:
9049:
9044:
9038:
9036:
9030:
9029:
9027:
9026:
9024:Moselopteridae
9020:
9018:
9012:
9011:
9009:
9008:
9002:
9000:
8991:
8983:
8982:
8979:
8978:
8976:
8975:
8970:
8965:
8959:
8957:
8951:
8950:
8948:
8947:
8942:
8940:Kokomopteridae
8936:
8934:
8928:
8927:
8925:
8924:
8919:
8913:
8911:
8905:
8904:
8902:
8901:
8895:
8893:
8891:Rhenopteroidea
8884:
8876:
8875:
8873:
8872:
8866:
8864:
8857:
8853:
8852:
8850:
8849:
8840:
8831:
8822:
8813:
8804:
8798:
8792:
8785:
8782:
8781:
8776:
8774:
8773:
8766:
8759:
8751:
8745:
8744:
8732:
8720:
8706:
8703:
8701:
8700:
8674:(6): 277â282.
8659:
8633:(9): 419â421.
8618:
8589:
8571:(2): 265â288.
8560:
8540:
8522:(2): 237â249.
8511:
8482:
8462:
8427:
8415:(4): 801â809.
8400:
8381:
8348:
8320:Adelophthalmus
8315:
8297:(3): 287â293.
8286:
8268:(5): 470â475.
8257:
8239:(4): 431â433.
8228:
8215:
8198:
8171:
8145:(2): 511â529.
8134:
8117:
8106:
8088:(2): 509â528.
8073:
8063:(2): 147â151.
8051:
8006:
7978:(2): 265â269.
7963:
7953:(4): 709â729.
7942:
7925:
7920:978-0198549161
7919:
7904:
7893:
7877:
7848:
7843:978-1125460221
7842:
7827:
7810:
7767:
7750:
7748:(12): 193â203.
7732:
7730:
7727:
7725:
7724:
7712:
7700:
7679:
7667:
7665:, p. 150.
7655:
7643:
7618:
7616:, p. 147.
7606:
7594:
7592:, p. 265.
7579:
7567:
7555:
7543:
7541:, p. 801.
7528:
7516:
7514:, p. 570.
7499:
7487:
7475:
7473:, p. 148.
7460:
7458:, p. 470.
7443:
7428:
7426:, p. 709.
7416:
7414:, p. 287.
7404:
7402:, p. 199.
7392:
7390:, p. 646.
7380:
7378:, p. 641.
7368:
7356:
7344:
7340:Glosbe â δÎĎΟι
7332:
7320:
7305:
7293:
7281:
7269:
7267:, p. 419.
7254:
7252:, pp. 67.
7250:Poschmann 2006
7239:
7237:, p. 805.
7227:
7223:Poschmann 2006
7210:
7198:
7179:
7162:
7160:, p. 149.
7143:
7116:
7097:
7082:
7080:, p. 475.
7065:
7063:, p. 544.
7050:
7048:, p. 278.
7035:
7033:, p. 722.
7023:
6998:
6994:Waterston 1968
6983:
6966:
6947:
6932:
6917:
6915:, p. 645.
6900:
6898:, p. 639.
6885:
6866:
6854:
6852:, p. 119.
6842:
6840:, p. 267.
6838:Waterston 1958
6825:
6821:O'Connell 1916
6813:
6794:
6792:, p. 239.
6767:
6765:, p. 322.
6755:
6753:, p. 222.
6743:
6706:
6694:
6679:
6636:
6609:
6584:
6572:
6560:
6545:
6523:
6521:
6518:
6516:
6513:
6512:
6511:
6503:
6491:
6486:
6480:
6479:
6463:
6460:
6433:and leaves of
6425:A. luceroensis
6421:Adelophthalmus
6413:Adelophthalmus
6405:Adelophthalmus
6386:
6383:
6366:Palaeocharinus
6312:Onychopterella
6281:
6278:
6274:Adelophthalmus
6270:Adelophthalmus
6263:Adelophthalmus
6258:Adelophthalmus
6254:Adelophthalmus
6230:A. luceroensis
6221:Adelophthalmus
6216:
6213:
6197:Adelophthalmus
6193:Adelophthalmus
6181:Adelophthalmus
6165:subsiding area
6153:Adelophthalmus
6142:Adelophthalmus
6133:Adelophthalmus
6121:Adelophthalmus
6110:Adelophthalmus
6098:Adelophthalmus
6090:Adelophthalmus
6051:Adelophthalmus
6025:
6022:
6017:Adelophthalmus
5995:Adelophthalmus
5991:
5988:
5976:Adelophthalmus
5943:A. bradorensis
5889:Adelophthalmus
5878:Adelophthalmus
5874:Adelophthalmus
5867:
5866:
5863:
5862:
5858:
5857:
5854:
5853:
5849:
5848:
5845:
5844:
5840:
5839:
5836:
5835:
5831:
5830:
5827:
5826:
5822:
5821:
5818:
5817:
5813:
5812:
5809:
5808:
5804:
5803:
5800:
5799:
5795:
5794:
5791:
5790:
5786:
5785:
5782:
5781:
5777:
5776:
5773:
5772:
5763:
5760:
5759:
5756:
5755:
5746:
5741:
5739:
5736:
5735:
5732:
5731:
5722:
5717:
5715:
5712:
5711:
5708:
5707:
5698:
5693:
5691:
5688:
5687:
5684:
5683:
5679:A. luceroensis
5674:
5669:
5667:
5664:
5663:
5660:
5659:
5650:
5645:
5643:
5640:
5639:
5636:
5635:
5626:
5621:
5619:
5616:Adelophthalmus
5611:
5610:
5607:
5606:
5597:
5592:
5590:
5587:
5586:
5583:
5582:
5573:
5568:
5566:
5563:
5562:
5559:
5558:
5554:
5553:
5550:
5549:
5545:
5544:
5541:
5540:
5536:
5535:
5532:
5531:
5522:
5519:
5518:
5515:
5514:
5505:
5500:
5498:
5493:
5491:
5488:
5487:
5484:
5483:
5474:
5469:
5467:
5462:
5460:
5454:
5453:
5450:
5449:
5439:
5434:
5432:
5430:Diploperculata
5424:
5416:Adelophthalmus
5391:synapomorphies
5387:Adelophthalmus
5367:Adelophthalmus
5355:Waeringopterus
5338:Adelophthalmus
5330:Adelophthalmus
5322:Adelophthalmus
5315:Adelophthalmus
5282:
5279:
5275:
5274:
5271:
5270:
5266:
5265:
5262:
5261:
5257:
5256:
5253:
5252:
5248:
5247:
5244:
5243:
5239:
5238:
5235:
5234:
5230:
5229:
5226:
5225:
5221:
5220:
5217:
5216:
5212:
5211:
5208:
5207:
5203:
5202:
5199:
5198:
5189:
5186:
5185:
5182:
5181:
5172:
5167:
5165:
5162:
5161:
5158:
5157:
5148:
5143:
5141:
5138:
5137:
5134:
5133:
5124:
5119:
5117:
5114:
5113:
5110:
5109:
5100:
5095:
5093:
5090:
5089:
5086:
5085:
5076:
5071:
5069:
5066:
5065:
5062:
5061:
5052:
5047:
5045:
5043:Pterygotioidea
5039:
5038:
5035:
5034:
5030:
5029:
5026:
5025:
5021:
5020:
5017:
5016:
5012:
5011:
5008:
5007:
5003:
5002:
4999:
4998:
4994:Adelophthalmus
4989:
4986:
4985:
4982:
4981:
4972:
4967:
4965:
4962:
4961:
4958:
4957:
4948:
4943:
4941:
4938:
4937:
4934:
4933:
4929:
4928:
4925:
4924:
4915:
4912:
4911:
4908:
4907:
4898:
4893:
4891:
4886:
4884:
4881:
4880:
4877:
4876:
4867:
4862:
4860:
4852:
4850:
4847:
4846:
4843:
4842:
4838:
4837:
4834:
4833:
4829:
4828:
4825:
4824:
4815:
4812:
4811:
4808:
4807:
4803:Waeringopterus
4798:
4793:
4791:
4788:
4787:
4784:
4783:
4774:
4769:
4767:
4759:
4757:
4755:Diploperculata
4749:
4740:Adelophthalmus
4709:Pterygotioidea
4660:Adelophthalmus
4654:A. mansfieldi.
4633:
4632:Classification
4630:
4626:Adelophthalmus
4610:Adelophthalmus
4598:Adelophthalmus
4589:A. luceroensis
4585:Adelophthalmus
4578:Adelophthalmus
4573:Adelophthalmus
4561:A. luceroensis
4557:Adelophthalmus
4508:A. luceroensis
4500:Adelophthalmus
4487:
4486:
4477:
4476:
4468:
4467:
4466:
4465:
4464:
4462:
4459:
4401:Adelophthalmus
4378:A. bradorensis
4364:Moravo-Silesia
4300:Adelophthalmus
4263:Czech Republic
4235:Adelophthalmus
4231:Adelophthalmus
4223:Adelophthalmus
4212:Adelophthalmus
4204:Adelophthalmus
4187:
4184:
4180:Adelophthalmus
4163:Early Devonian
4148:Adelophthalmus
4140:Adelophthalmus
4123:Hibbertopterus
4102:Adelophthalmus
4079:Gogo Formation
4067:Adelophthalmus
4063:Adelophthalmus
4051:A. khakassicus
4040:Adelophthalmus
4024:Early Devonian
4016:Adelophthalmus
4012:Early Devonian
3967:
3964:
3962:
3959:
3937:, named after
3920:Adelophthalmus
3905:A. khakassicus
3896:A. khakassicus
3862:Adelophthalmus
3834:Adelophthalmus
3813:A. carbonarius
3805:Adelophthalmus
3801:Adelophthalmus
3778:Adelophthalmus
3774:Adelophthalmus
3737:
3734:
3714:Adelophthalmus
3699:Adelophthalmus
3690:A. luceroensis
3671:Anthraconectes
3667:Adelophthalmus
3663:Anthraconectes
3659:Adelophthalmus
3655:Adelophthalmus
3643:Glyptoscorpius
3639:Anthraconectes
3622:A. carbonarius
3618:A. carbonarius
3609:A. carbonarius
3594:(described as
3506:Anthraconectes
3502:A. bradorensis
3498:Walter A. Bell
3470:Adelophthalmus
3446:Adelophthalmus
3411:Anthraconectes
3407:Adelophthalmus
3395:Anthraconectes
3330:
3327:
3296:Bristol Museum
3284:Henry Woodward
3219:Glyptoscorpius
3205:G. caledonicus
3194:Glyptoscorpius
3190:Adelophthalmus
3186:Adelophthalmus
3170:Adelophthalmus
3166:Adelophthalmus
3162:Anthraconectes
3158:Adelophthalmus
3139:Anthraconectes
3109:Adelophthalmus
3018:Adelophthalmus
2997:
2994:
2992:
2989:
2986:
2985:
2962:
2956:
2953:
2942:
2937:
2934:
2928:
2927:
2916:The spikes of
2914:A. mansfieldi.
2906:
2900:
2897:
2886:
2881:
2878:
2872:
2871:
2860:
2854:
2851:
2848:
2843:
2837:
2831:
2830:
2827:A. luceroensis
2809:
2803:
2800:
2797:
2792:
2789:
2783:
2782:
2759:Anthraconectes
2755:
2749:
2746:
2735:
2730:
2727:
2721:
2720:
2713:
2707:
2704:
2701:
2696:
2693:
2687:
2686:
2667:
2661:
2658:
2655:
2650:
2644:
2638:
2637:
2630:
2624:
2621:
2610:
2605:
2602:
2596:
2595:
2587:Adelophthalmus
2580:
2577:
2574:
2571:
2566:
2563:
2557:
2556:
2549:Adelophthalmus
2541:Adelophthalmus
2535:) referred to
2527:Glyptoscorpius
2523:
2517:
2514:
2509:hibbertopterid
2502:
2497:
2494:
2488:
2487:
2480:
2474:
2471:
2468:
2463:
2460:
2454:
2453:
2443:
2440:
2437:
2431:
2426:
2423:
2417:
2416:
2405:Adelophthalmus
2397:Anthraconectes
2393:
2387:
2384:
2381:
2376:
2373:
2367:
2366:
2353:Anthraconestes
2345:
2339:
2336:
2333:
2328:
2325:
2319:
2318:
2313:Anthraconestes
2309:
2303:
2300:
2297:
2292:
2289:
2283:
2282:
2259:
2256:
2253:
2250:
2245:
2242:
2236:
2235:
2232:A. luceroensis
2220:A. luceroensis
2216:Adelophthalmus
2212:
2206:
2203:
2200:
2195:
2192:
2186:
2185:
2182:Adelophthalmus
2170:
2164:
2161:
2149:
2144:
2141:
2135:
2134:
2121:Adelophthalmus
2117:A. bradorensis
2115:is similar to
2107:Glyptoscorpius
2103:
2097:
2094:
2083:
2078:
2075:
2069:
2068:
2061:A. khakassicus
2029:A. luceroensis
2016:
2009:
2002:
1999:
1994:
1991:
1983:
1982:
1971:A. khakassicus
1957:is similar to
1955:A. khakassicus
1952:
1946:
1943:
1932:
1927:
1924:
1918:
1917:
1915:
1909:
1906:
1903:
1898:
1895:
1889:
1888:
1879:
1873:
1870:
1867:
1862:
1859:
1853:
1852:
1830:
1824:
1821:
1818:
1813:
1810:
1804:
1803:
1784:
1778:
1775:
1772:
1767:
1764:
1758:
1757:
1750:A. khakassicus
1718:Adelophthalmus
1710:
1703:
1696:
1685:
1680:
1677:
1669:
1668:
1661:
1651:
1648:
1645:
1640:
1637:
1631:
1630:
1627:Anthraconectes
1623:
1617:
1614:
1603:
1598:
1595:
1589:
1588:
1585:Anthraconectes
1581:
1574:
1571:
1568:
1563:
1560:
1554:
1553:
1550:A. luceroensis
1546:A. luceroensis
1542:A. luceroensis
1540:differed from
1538:A. carbonarius
1530:
1520:
1517:
1514:
1509:
1506:
1500:
1499:
1496:Anthraconectes
1492:
1486:
1483:
1472:
1467:
1464:
1458:
1457:
1445:Glyptoscorpius
1441:
1438:
1435:
1429:
1424:
1421:
1415:
1414:
1403:A. bradorensis
1399:Anthraconectes
1395:
1389:
1386:
1375:
1370:
1367:
1361:
1360:
1349:
1343:
1340:
1337:
1332:
1329:
1323:
1322:
1309:is similar to
1299:
1293:
1290:
1287:
1282:
1279:
1273:
1272:
1269:
1266:
1263:
1260:
1257:
1254:
1241:
1238:
1234:Adelophthalmus
1226:Adelophthalmus
1224:. The body of
1210:Adelophthalmus
1194:Adelophthalmus
1170:Adelophthalmus
1135:Adelophthalmus
1131:A. luceroensis
1092:A. khakassicus
1088:Adelophthalmus
1080:Adelophthalmus
1069:Adelophthalmus
1062:Adelophthalmid
1047:
1044:
1028:Adelophthalmus
1024:Adelophthalmus
1020:A. khakassicus
1012:Adelophthalmus
1006:Adelophthalmus
990:Adelophthalmus
971:Adelophthalmus
957:Adelophthalmus
937:Adelophthalmus
910:Early Devonian
906:Adelophthalmus
896:is a genus of
893:Adelophthalmus
887:
886:
884:
883:
865:
864:
863:
861:
860:
839:
838:
837:
835:
834:
828:A. caledonicus
816:
815:
814:
812:
811:
809:Woodward, 1907
790:
789:
788:
786:
785:
764:
763:
762:
760:
759:
753:Glyptoscorpius
750:
741:
735:Anthraconectes
732:
719:Genus synonymy
717:
716:
715:
712:
711:
705:
704:
702:
701:
689:
677:
665:
653:
651:(Dunbar, 1924)
641:
629:
613:
601:
589:
577:
565:
553:
541:
529:
517:
510:A. luceroensis
505:
493:
481:
469:
462:A. khakassicus
457:
445:
433:
421:
409:
397:
385:
373:
371:(Grabau, 1920)
361:
354:A. carbonarius
349:
337:
330:A. bradorensis
325:
313:
295:
294:
293:
290:
289:
285:
284:
277:
265:
264:
258:
257:
246:Adelophthalmus
239:
235:
234:
226:
222:
221:
213:
209:
208:
200:
196:
195:
190:
186:
185:
180:
176:
175:
170:
166:
165:
160:
156:
155:
142:
141:
130:
129:
121:
120:
112:
107:
102:
97:
92:
87:
82:
77:
72:
67:
62:
57:
56:
42:Early Devonian
39:
36:Adelophthalmus
26:
24:
18:Anthraconectes
14:
13:
10:
9:
6:
4:
3:
2:
9695:
9684:
9681:
9679:
9676:
9674:
9671:
9669:
9666:
9664:
9661:
9659:
9656:
9654:
9651:
9649:
9646:
9644:
9641:
9639:
9636:
9634:
9631:
9629:
9626:
9624:
9621:
9619:
9616:
9614:
9611:
9609:
9606:
9604:
9601:
9599:
9596:
9595:
9593:
9576:
9571:
9567:
9563:
9558:
9554:
9550:
9545:
9541:
9537:
9532:
9528:
9523:
9517:
9513:
9512:
9510:
9508:
9504:
9500:
9495:
9485:
9475:
9469:
9466:
9464:
9461:
9460:
9458:
9454:
9448:
9445:
9443:
9440:
9438:
9435:
9434:
9432:
9428:
9422:
9421:
9417:
9415:
9414:
9410:
9408:
9407:
9403:
9402:
9400:
9398:
9394:
9388:
9387:
9383:
9381:
9380:
9376:
9374:
9373:
9369:
9367:
9366:
9365:Pentecopterus
9362:
9360:
9359:
9355:
9353:
9352:
9348:
9346:
9345:
9341:
9339:
9338:
9337:Megalograptus
9334:
9332:
9331:
9330:Jaekelopterus
9327:
9325:
9324:
9320:
9318:
9317:
9313:
9311:
9310:
9306:
9304:
9303:
9302:Drepanopterus
9299:
9297:
9296:
9292:
9290:
9289:
9285:
9283:
9282:
9281:Brachyopterus
9278:
9276:
9275:
9271:
9270:
9268:
9264:
9258:
9257:South America
9255:
9253:
9250:
9248:
9247:North America
9245:
9243:
9240:
9238:
9235:
9233:
9230:
9229:
9227:
9225:
9221:
9215:
9212:
9210:
9209:Carboniferous
9207:
9205:
9202:
9200:
9197:
9195:
9192:
9191:
9189:
9187:
9186:Geochronology
9183:
9178:
9156:
9153:
9151:
9148:
9146:
9143:
9142:
9140:
9138:
9134:
9128:
9125:
9124:
9122:
9120:
9116:
9110:
9107:
9106:
9104:
9102:
9098:
9092:
9089:
9087:
9084:
9082:
9079:
9078:
9076:
9074:
9070:
9067:
9065:
9059:
9053:
9050:
9048:
9045:
9043:
9040:
9039:
9037:
9035:
9034:Eurypteroidea
9031:
9025:
9022:
9021:
9019:
9017:
9013:
9007:
9004:
9003:
9001:
8999:
8995:
8992:
8990:
8984:
8974:
8973:Mycteroptidae
8971:
8969:
8966:
8964:
8961:
8960:
8958:
8956:
8955:Mycteropoidea
8952:
8946:
8943:
8941:
8938:
8937:
8935:
8933:
8929:
8923:
8920:
8918:
8915:
8914:
8912:
8910:
8909:Stylonuroidea
8906:
8900:
8899:Rhenopteridae
8897:
8896:
8894:
8892:
8888:
8885:
8883:
8877:
8871:
8868:
8867:
8865:
8861:
8858:
8854:
8848:
8847:Sclerophorata
8844:
8841:
8839:
8835:
8832:
8830:
8826:
8823:
8821:
8817:
8814:
8812:
8811:Euchelicerata
8808:
8805:
8803:
8799:
8797:
8793:
8791:
8787:
8786:
8783:
8779:
8772:
8767:
8765:
8760:
8758:
8753:
8752:
8749:
8741:
8737:
8733:
8729:
8725:
8721:
8717:
8713:
8709:
8708:
8704:
8697:
8693:
8689:
8685:
8681:
8677:
8673:
8669:
8665:
8660:
8656:
8652:
8648:
8644:
8640:
8636:
8632:
8628:
8624:
8619:
8615:
8611:
8607:
8603:
8599:
8595:
8590:
8586:
8582:
8578:
8574:
8570:
8566:
8561:
8558:(3): 474â507.
8557:
8553:
8552:Palaeontology
8546:
8541:
8537:
8533:
8529:
8525:
8521:
8517:
8512:
8508:
8504:
8500:
8496:
8492:
8488:
8483:
8479:
8475:
8468:
8463:
8459:
8455:
8450:
8445:
8441:
8437:
8436:Fossil Record
8433:
8428:
8423:
8418:
8414:
8410:
8409:Palaeontology
8406:
8401:
8397:
8393:
8389:
8388:
8382:
8378:
8374:
8370:
8366:
8362:
8358:
8354:
8349:
8345:
8341:
8337:
8333:
8329:
8325:
8321:
8316:
8312:
8308:
8304:
8300:
8296:
8292:
8287:
8283:
8279:
8275:
8271:
8267:
8263:
8258:
8254:
8250:
8246:
8242:
8238:
8234:
8229:
8225:
8221:
8216:
8212:
8208:
8204:
8199:
8194:
8189:
8185:
8181:
8180:Palaeontology
8177:
8172:
8168:
8164:
8160:
8156:
8152:
8148:
8144:
8140:
8135:
8131:
8127:
8123:
8118:
8114:
8113:
8107:
8103:
8099:
8095:
8091:
8087:
8083:
8079:
8074:
8070:
8066:
8062:
8058:
8052:
8048:
8044:
8040:
8036:
8031:
8026:
8022:
8018:
8017:
8012:
8007:
8003:
7999:
7994:
7989:
7985:
7981:
7977:
7973:
7969:
7964:
7960:
7956:
7952:
7948:
7943:
7939:
7935:
7931:
7926:
7922:
7916:
7912:
7911:
7905:
7901:
7900:
7894:
7890:
7883:
7878:
7874:
7870:
7866:
7862:
7858:
7854:
7849:
7845:
7839:
7835:
7834:
7828:
7824:
7820:
7816:
7811:
7807:
7803:
7799:
7795:
7791:
7787:
7783:
7779:
7778:
7773:
7768:
7764:
7760:
7756:
7751:
7747:
7743:
7739:
7734:
7733:
7728:
7721:
7716:
7713:
7709:
7704:
7701:
7697:
7692:
7690:
7688:
7686:
7684:
7680:
7676:
7671:
7668:
7664:
7659:
7656:
7653:, p. 83.
7652:
7647:
7644:
7640:
7635:
7633:
7631:
7629:
7627:
7625:
7623:
7619:
7615:
7610:
7607:
7604:, p. 81.
7603:
7598:
7595:
7591:
7586:
7584:
7580:
7577:, p. 70.
7576:
7571:
7568:
7565:, p. 80.
7564:
7559:
7556:
7553:, p. 10.
7552:
7547:
7544:
7540:
7535:
7533:
7529:
7525:
7520:
7517:
7513:
7508:
7506:
7504:
7500:
7496:
7491:
7488:
7484:
7479:
7476:
7472:
7467:
7465:
7461:
7457:
7452:
7450:
7448:
7444:
7440:
7435:
7433:
7429:
7425:
7420:
7417:
7413:
7408:
7405:
7401:
7396:
7393:
7389:
7388:Stainier 1915
7384:
7381:
7377:
7376:Stainier 1915
7372:
7369:
7365:
7360:
7357:
7354:, p. 18.
7353:
7348:
7345:
7341:
7336:
7333:
7329:
7324:
7321:
7317:
7312:
7310:
7306:
7302:
7297:
7294:
7290:
7285:
7282:
7278:
7273:
7270:
7266:
7265:Woodward 1888
7261:
7259:
7255:
7251:
7246:
7244:
7240:
7236:
7231:
7228:
7224:
7219:
7217:
7215:
7211:
7207:
7202:
7199:
7195:
7190:
7188:
7186:
7184:
7180:
7176:
7171:
7169:
7167:
7163:
7159:
7154:
7152:
7150:
7148:
7144:
7140:
7135:
7133:
7131:
7129:
7127:
7125:
7123:
7121:
7117:
7113:
7108:
7106:
7104:
7102:
7098:
7094:
7093:Woodward 1907
7089:
7087:
7083:
7079:
7074:
7072:
7070:
7066:
7062:
7057:
7055:
7051:
7047:
7046:Woodward 1907
7042:
7040:
7036:
7032:
7027:
7024:
7021:, p. 10.
7020:
7015:
7013:
7011:
7009:
7007:
7005:
7003:
6999:
6995:
6990:
6988:
6984:
6980:
6975:
6973:
6971:
6967:
6963:
6958:
6956:
6954:
6952:
6948:
6944:
6939:
6937:
6933:
6929:
6924:
6922:
6918:
6914:
6913:Stainier 1915
6909:
6907:
6905:
6901:
6897:
6896:Stainier 1915
6892:
6890:
6886:
6882:
6877:
6875:
6873:
6871:
6867:
6863:
6858:
6855:
6851:
6846:
6843:
6839:
6834:
6832:
6830:
6826:
6823:, p. 30.
6822:
6817:
6814:
6810:
6805:
6803:
6801:
6799:
6795:
6791:
6786:
6784:
6782:
6780:
6778:
6776:
6774:
6772:
6768:
6764:
6759:
6756:
6752:
6747:
6744:
6740:
6735:
6733:
6731:
6729:
6727:
6725:
6723:
6721:
6719:
6717:
6715:
6713:
6711:
6707:
6704:, p. 30.
6703:
6698:
6695:
6691:
6686:
6684:
6680:
6676:
6671:
6669:
6667:
6665:
6663:
6661:
6659:
6657:
6655:
6653:
6651:
6649:
6647:
6645:
6643:
6641:
6637:
6633:
6629:
6624:
6622:
6620:
6618:
6616:
6614:
6610:
6606:
6601:
6599:
6597:
6595:
6593:
6591:
6589:
6585:
6582:, p. 23.
6581:
6576:
6573:
6569:
6564:
6561:
6558:, p. 79.
6557:
6552:
6550:
6546:
6542:
6537:
6535:
6533:
6531:
6529:
6525:
6519:
6514:
6509:
6508:
6504:
6502:) eurypterid.
6501:
6497:
6496:
6492:
6490:
6487:
6485:
6482:
6481:
6477:
6466:
6461:
6459:
6456:
6455:
6449:
6446:
6440:
6438:
6437:
6432:
6431:
6426:
6422:
6418:
6417:deltaic plain
6414:
6406:
6402:
6401:
6396:
6391:
6384:
6382:
6379:
6375:
6374:kiemenplatten
6370:
6368:
6367:
6362:
6358:
6353:
6349:
6345:
6341:
6337:
6333:
6328:
6326:
6322:
6321:
6313:
6309:
6308:
6303:
6299:
6295:
6291:
6287:
6279:
6277:
6275:
6271:
6266:
6264:
6259:
6255:
6251:
6247:
6243:
6239:
6235:
6231:
6227:
6222:
6214:
6212:
6210:
6206:
6202:
6198:
6194:
6189:
6187:
6182:
6178:
6174:
6170:
6166:
6162:
6158:
6154:
6149:
6147:
6143:
6138:
6134:
6130:
6126:
6122:
6117:
6115:
6111:
6107:
6103:
6099:
6095:
6091:
6087:
6086:
6081:
6077:
6073:
6068:
6065:
6064:A. waterstoni
6060:
6056:
6055:A. waterstoni
6052:
6047:
6039:
6038:A. mansfieldi
6035:
6030:
6023:
6021:
6018:
6013:
6011:
6007:
6003:
5999:
5996:
5989:
5987:
5985:
5981:
5977:
5972:
5971:
5968:
5964:
5963:A. mansfieldi
5960:
5959:A. mazonensis
5956:
5952:
5948:
5944:
5940:
5936:
5932:
5928:
5924:
5919:
5917:
5913:
5912:A. perornatus
5909:
5908:
5903:
5898:
5894:
5890:
5886:
5884:
5879:
5875:
5865:
5864:
5856:
5855:
5847:
5846:
5838:
5837:
5829:
5828:
5820:
5819:
5811:
5810:
5802:
5801:
5793:
5792:
5784:
5783:
5775:
5774:
5771:
5770:
5769:
5762:
5761:
5758:
5757:
5754:
5753:
5752:
5745:
5744:
5738:
5737:
5734:
5733:
5730:
5729:
5728:
5721:
5720:
5714:
5713:
5710:
5709:
5706:
5705:
5704:
5703:A. mazonensis
5697:
5696:
5690:
5689:
5686:
5685:
5682:
5681:
5680:
5673:
5672:
5666:
5665:
5662:
5661:
5658:
5657:
5656:
5655:A. mansfieldi
5649:
5648:
5642:
5641:
5638:
5637:
5634:
5633:
5632:
5625:
5624:
5618:
5617:
5613:
5612:
5609:
5608:
5605:
5604:
5603:
5596:
5595:
5589:
5588:
5585:
5584:
5581:
5580:
5579:
5572:
5571:
5565:
5564:
5561:
5560:
5552:
5551:
5543:
5542:
5534:
5533:
5530:
5529:
5528:
5521:
5520:
5517:
5516:
5513:
5512:
5511:
5504:
5503:
5497:
5496:
5490:
5489:
5486:
5485:
5482:
5481:
5480:
5473:
5472:
5466:
5465:
5459:
5456:
5455:
5452:
5451:
5448:
5446:
5445:
5438:
5437:
5431:
5428:
5427:
5423:
5421:
5417:
5413:
5409:
5408:
5402:
5398:
5396:
5392:
5388:
5384:
5383:
5382:Eysyslopterus
5378:
5374:
5373:
5368:
5363:
5361:
5357:
5356:
5351:
5350:
5345:
5344:
5339:
5334:
5331:
5327:
5323:
5318:
5316:
5308:
5307:A. mazonensis
5304:
5299:
5292:
5291:A. mazonensis
5287:
5280:
5273:
5272:
5264:
5263:
5255:
5254:
5246:
5245:
5237:
5236:
5228:
5227:
5219:
5218:
5210:
5209:
5201:
5200:
5197:
5196:
5195:
5194:Jaekelopterus
5188:
5187:
5184:
5183:
5180:
5179:
5178:
5171:
5170:
5164:
5163:
5160:
5159:
5156:
5155:
5154:
5147:
5146:
5140:
5139:
5136:
5135:
5132:
5131:
5130:
5123:
5122:
5116:
5115:
5112:
5111:
5108:
5107:
5106:
5099:
5098:
5092:
5091:
5088:
5087:
5084:
5083:
5082:
5075:
5074:
5068:
5067:
5064:
5063:
5060:
5059:
5058:
5051:
5050:
5044:
5041:
5040:
5037:
5036:
5028:
5027:
5019:
5018:
5010:
5009:
5001:
5000:
4997:
4996:
4995:
4988:
4987:
4984:
4983:
4980:
4979:
4978:
4971:
4970:
4964:
4963:
4960:
4959:
4956:
4955:
4954:
4947:
4946:
4940:
4939:
4936:
4935:
4927:
4926:
4923:
4922:
4921:
4914:
4913:
4910:
4909:
4906:
4905:
4904:
4897:
4896:
4890:
4889:
4883:
4882:
4879:
4878:
4875:
4874:
4873:
4872:Eysyslopterus
4866:
4865:
4859:
4856:
4855:
4849:
4848:
4845:
4844:
4836:
4835:
4827:
4826:
4823:
4822:
4821:
4814:
4813:
4810:
4809:
4806:
4805:
4804:
4797:
4796:
4790:
4789:
4786:
4785:
4782:
4781:
4780:
4773:
4772:
4766:
4763:
4762:
4756:
4753:
4752:
4748:
4746:
4741:
4737:
4736:
4731:
4730:Eysyslopterus
4727:
4726:
4720:
4718:
4714:
4710:
4706:
4702:
4699:
4698:
4697:Eysyslopterus
4693:
4692:
4687:
4686:
4681:
4680:
4675:
4674:
4669:
4665:
4661:
4655:
4650:
4643:
4642:A. mazonensis
4638:
4631:
4629:
4627:
4623:
4622:
4617:
4616:
4611:
4607:
4601:
4599:
4595:
4594:Adelopthalmus
4590:
4586:
4581:
4579:
4574:
4570:
4566:
4562:
4558:
4553:
4552:
4549:
4545:
4541:
4537:
4533:
4529:
4525:
4521:
4517:
4513:
4509:
4505:
4501:
4491:
4481:
4472:
4460:
4458:
4457:
4454:
4450:
4446:
4442:
4441:A. mansfieldi
4438:
4434:
4430:
4426:
4422:
4418:
4417:A. mazonensis
4414:
4410:
4406:
4402:
4398:
4394:
4390:
4385:
4383:
4379:
4375:
4372:
4367:
4365:
4361:
4357:
4353:
4349:
4345:
4341:
4337:
4333:
4329:
4325:
4321:
4317:
4313:
4309:
4308:A. perornatus
4305:
4304:North America
4301:
4297:
4292:
4291:
4288:
4284:
4280:
4276:
4272:
4268:
4264:
4260:
4256:
4252:
4248:
4244:
4240:
4239:United States
4236:
4232:
4226:
4224:
4220:
4217:
4213:
4209:
4205:
4197:
4192:
4186:Carboniferous
4185:
4183:
4181:
4176:
4172:
4171:Carboniferous
4168:
4167:Late Devonian
4164:
4160:
4155:
4153:
4149:
4145:
4141:
4137:
4133:
4129:
4125:
4124:
4119:
4115:
4111:
4107:
4103:
4098:
4096:
4095:
4090:
4089:
4084:
4080:
4076:
4072:
4071:A. waterstoni
4068:
4064:
4060:
4056:
4052:
4048:
4043:
4041:
4037:
4033:
4029:
4025:
4021:
4017:
4013:
4009:
4005:
4001:
3997:
3989:
3985:
3981:
3977:
3972:
3965:
3960:
3958:
3956:
3952:
3948:
3944:
3940:
3936:
3932:
3929:
3925:
3921:
3916:
3914:
3910:
3906:
3901:
3897:
3892:
3890:
3886:
3882:
3878:
3874:
3870:
3865:
3863:
3859:
3855:
3851:
3847:
3843:
3839:
3835:
3830:
3828:
3824:
3823:
3818:
3814:
3810:
3806:
3802:
3798:
3794:
3790:
3785:
3781:
3779:
3775:
3771:
3767:
3763:
3759:
3755:
3754:A. sievertsi,
3747:
3746:A. mazonensis
3742:
3735:
3733:
3731:
3727:
3723:
3719:
3715:
3711:
3707:
3702:
3700:
3695:
3691:
3686:
3685:
3682:
3678:
3674:
3672:
3668:
3664:
3660:
3656:
3652:
3648:
3644:
3640:
3635:
3634:
3631:
3627:
3623:
3619:
3614:
3610:
3605:
3604:
3601:
3597:
3593:
3589:
3585:
3581:
3577:
3573:
3569:
3565:
3560:
3558:
3554:
3550:
3546:
3542:
3537:
3534:
3530:
3525:
3523:
3522:A. mansfieldi
3519:
3515:
3511:
3507:
3503:
3499:
3494:
3493:
3490:
3486:
3481:
3479:
3475:
3471:
3467:
3466:E. mansfieldi
3463:
3459:
3455:
3451:
3447:
3443:
3439:
3435:
3431:
3427:
3423:
3419:
3414:
3412:
3408:
3404:
3400:
3396:
3392:
3388:
3384:
3382:
3378:
3375:
3371:
3370:A. mansfieldi
3367:
3363:
3359:
3355:
3347:
3345:
3340:
3335:
3328:
3326:
3325:
3322:
3318:
3314:
3309:
3308:
3305:
3301:
3300:A. mansfieldi
3297:
3293:
3289:
3285:
3280:
3279:
3276:
3272:
3268:
3264:
3261:
3257:
3253:
3252:Dolichopterus
3249:
3245:
3244:A. mansfieldi
3241:
3237:
3233:
3229:
3224:
3223:
3220:
3217:
3214:
3210:
3206:
3202:
3199:
3198:G. perornatus
3195:
3191:
3187:
3183:
3179:
3175:
3171:
3167:
3163:
3159:
3155:
3152:
3148:
3144:
3140:
3136:
3132:
3128:
3123:
3121:
3117:
3113:
3110:
3106:
3103:, noted that
3102:
3098:
3094:
3086:
3082:
3078:
3074:
3069:
3065:
3063:
3059:
3055:
3051:
3047:
3041:
3038:
3037:
3031:
3027:
3023:
3019:
3011:
3007:
3002:
2995:
2990:
2983:
2979:
2975:
2971:
2967:
2963:
2960:
2957:
2954:
2952:
2950:
2943:
2941:
2938:
2935:
2933:
2930:
2929:
2926:
2923:
2922:A. mansfieldi
2919:
2915:
2911:
2907:
2904:
2901:
2898:
2896:
2894:
2887:
2885:
2882:
2879:
2877:
2874:
2873:
2869:
2865:
2861:
2858:
2855:
2852:
2849:
2847:
2844:
2842:
2838:
2836:
2833:
2832:
2828:
2824:
2820:
2816:
2815:
2810:
2807:
2804:
2801:
2798:
2796:
2793:
2790:
2788:
2785:
2784:
2780:
2776:
2772:
2771:A. mansfieldi
2768:
2767:A. mansfieldi
2764:
2760:
2756:
2753:
2750:
2747:
2745:
2743:
2736:
2734:
2731:
2728:
2726:
2723:
2722:
2718:
2714:
2711:
2708:
2705:
2702:
2700:
2697:
2694:
2692:
2689:
2688:
2684:
2683:A. mazonensis
2680:
2679:A. mansfieldi
2676:
2671:
2668:
2665:
2662:
2659:
2656:
2654:
2651:
2649:
2645:
2643:
2640:
2639:
2635:
2631:
2628:
2625:
2622:
2620:
2618:
2611:
2609:
2606:
2603:
2601:
2598:
2597:
2593:
2588:
2584:
2581:
2578:
2575:
2572:
2570:
2567:
2564:
2562:
2559:
2558:
2554:
2550:
2546:
2542:
2538:
2537:A. perornatus
2534:
2531:
2528:
2524:
2521:
2518:
2515:
2513:
2510:
2503:
2501:
2498:
2495:
2493:
2490:
2489:
2485:
2481:
2478:
2475:
2472:
2469:
2467:
2464:
2461:
2459:
2456:
2455:
2451:
2447:
2444:
2441:
2438:
2436:
2432:
2430:
2427:
2424:
2422:
2419:
2418:
2414:
2410:
2406:
2402:
2398:
2394:
2391:
2388:
2385:
2382:
2380:
2377:
2374:
2372:
2369:
2368:
2365:
2362:
2358:
2357:A. mansfieldi
2354:
2350:
2346:
2343:
2340:
2337:
2334:
2332:
2329:
2326:
2324:
2321:
2320:
2317:
2314:
2310:
2307:
2304:
2301:
2298:
2296:
2293:
2290:
2288:
2285:
2284:
2280:
2279:A. mansfieldi
2276:
2272:
2271:A. mansfieldi
2269:
2266:
2265:
2264:Dolichopterus
2260:
2257:
2254:
2251:
2249:
2246:
2243:
2241:
2238:
2237:
2233:
2229:
2228:A. mansfieldi
2225:
2221:
2217:
2213:
2210:
2207:
2204:
2201:
2199:
2196:
2193:
2191:
2188:
2187:
2183:
2179:
2175:
2171:
2168:
2165:
2162:
2160:
2157:
2150:
2148:
2145:
2142:
2140:
2137:
2136:
2133:
2130:
2126:
2122:
2118:
2114:
2111:
2108:
2104:
2101:
2098:
2095:
2093:
2091:
2084:
2082:
2079:
2076:
2074:
2071:
2070:
2066:
2062:
2058:
2054:
2050:
2046:
2045:A. mazonensis
2042:
2038:
2034:
2030:
2026:
2021:
2017:
2014:
2010:
2007:
2003:
2000:
1998:
1995:
1992:
1990:
1985:
1984:
1980:
1976:
1972:
1968:
1964:
1960:
1959:A. mazonensis
1956:
1953:
1950:
1947:
1944:
1942:
1940:
1933:
1931:
1928:
1925:
1923:
1920:
1919:
1916:
1913:
1910:
1907:
1904:
1902:
1899:
1896:
1894:
1891:
1890:
1887:
1884:
1880:
1877:
1874:
1871:
1868:
1866:
1863:
1860:
1858:
1855:
1854:
1850:
1846:
1842:
1838:
1834:
1831:
1828:
1825:
1822:
1819:
1817:
1814:
1811:
1809:
1806:
1805:
1801:
1800:A. mansfieldi
1797:
1793:
1792:A. mansfieldi
1789:
1785:
1782:
1779:
1776:
1773:
1771:
1768:
1765:
1763:
1760:
1759:
1755:
1751:
1747:
1743:
1739:
1735:
1731:
1727:
1723:
1722:A. mazonensis
1719:
1715:
1711:
1708:
1704:
1701:
1697:
1695:
1693:
1686:
1684:
1681:
1678:
1676:
1671:
1670:
1666:
1662:
1659:
1655:
1652:
1649:
1646:
1644:
1641:
1638:
1636:
1633:
1632:
1628:
1624:
1621:
1618:
1615:
1613:
1611:
1604:
1602:
1599:
1596:
1594:
1591:
1590:
1586:
1582:
1579:
1575:
1572:
1569:
1567:
1564:
1561:
1559:
1556:
1555:
1551:
1547:
1543:
1539:
1535:
1531:
1528:
1524:
1521:
1518:
1515:
1513:
1510:
1507:
1505:
1502:
1501:
1497:
1493:
1490:
1487:
1484:
1482:
1480:
1473:
1471:
1468:
1465:
1463:
1460:
1459:
1456:
1453:
1452:A. perornatus
1449:
1446:
1442:
1439:
1436:
1434:
1433:A. perornatus
1430:
1428:
1425:
1422:
1420:
1417:
1416:
1412:
1408:
1404:
1400:
1396:
1393:
1390:
1387:
1385:
1383:
1376:
1374:
1371:
1368:
1366:
1363:
1362:
1358:
1354:
1350:
1347:
1344:
1341:
1338:
1336:
1333:
1330:
1328:
1325:
1324:
1320:
1319:A. mansfieldi
1316:
1312:
1311:A. mansfieldi
1308:
1304:
1300:
1297:
1294:
1291:
1288:
1286:
1283:
1280:
1278:
1275:
1274:
1264:
1261:
1258:
1252:
1251:
1248:
1247:
1239:
1237:
1235:
1231:
1227:
1223:
1219:
1215:
1211:
1207:
1203:
1199:
1195:
1191:
1187:
1186:
1181:
1180:
1171:
1166:
1162:
1160:
1156:
1152:
1148:
1147:A. mansfieldi
1144:
1140:
1136:
1132:
1128:
1124:
1120:
1116:
1115:A. mazonensis
1112:
1111:A. waterstoni
1108:
1104:
1100:
1097:
1093:
1089:
1085:
1084:Jaekelopterus
1081:
1076:
1074:
1070:
1066:
1063:
1057:
1052:
1045:
1043:
1041:
1037:
1033:
1029:
1025:
1021:
1017:
1013:
1009:
1007:
1003:
999:
995:
991:
986:
984:
980:
979:Carboniferous
976:
972:
968:
967:
962:
958:
954:
950:
946:
942:
941:North America
938:
933:
931:
927:
923:
919:
915:
914:Early Permian
911:
907:
904:. Fossils of
903:
899:
895:
894:
878:
875:
870:
858:Størmer, 1974
855:
853:
849:
844:
829:
826:
821:
820:A. perornatus
806:
804:
800:
795:
780:
778:
774:
769:
768:A. mansfieldi
754:
751:
745:
742:
736:
733:
727:
724:
713:
710:
706:
696:
695:
690:
684:
683:
678:
672:
671:
670:A. waterstoni
666:
660:
659:
654:
648:
647:
642:
636:
635:
630:
626:
620:
619:
614:
608:
607:
602:
596:
595:
590:
587:(Peach, 1882)
584:
583:
582:A. perornatus
578:
572:
571:
566:
560:
559:
554:
548:
547:
542:
536:
535:
534:A. mazonensis
530:
524:
523:
522:A. mansfieldi
518:
512:
511:
506:
500:
499:
494:
491:(Peach, 1888)
488:
487:
482:
479:Shpinev, 2012
476:
475:
470:
464:
463:
458:
455:Shpinev, 2006
452:
451:
446:
443:(Reuss, 1855)
440:
439:
434:
428:
427:
422:
416:
415:
410:
407:Shpinev, 2012
404:
403:
398:
392:
391:
386:
380:
379:
374:
368:
367:
362:
356:
355:
350:
344:
343:
338:
332:
331:
326:
320:
319:
314:
308:
307:
302:
291:
286:
281:
275:
274:
266:
263:
259:
254:
248:
247:
240:
237:
236:
233:
227:
224:
223:
220:
214:
212:Superfamily:
211:
210:
207:
201:
198:
197:
194:
191:
188:
187:
184:
181:
178:
177:
174:
171:
168:
167:
164:
161:
158:
157:
152:
147:
143:
140:
136:
135:A. mansfieldi
131:
127:
122:
115:
110:
105:
100:
95:
90:
85:
80:
75:
70:
65:
60:
54:
47:
46:Early Permian
43:
37:
33:
30:
19:
9506:
9418:
9411:
9404:
9384:
9377:
9370:
9363:
9356:
9349:
9342:
9335:
9328:
9323:Hughmilleria
9321:
9314:
9307:
9300:
9293:
9286:
9279:
9273:
9272:
9155:Pterygotidae
9091:Mixopteridae
9047:Eurypteridae
8922:Stylonuridae
8842:
8833:
8824:
8815:
8806:
8739:
8727:
8715:
8671:
8667:
8630:
8626:
8597:
8593:
8568:
8564:
8555:
8551:
8519:
8515:
8490:
8486:
8477:
8473:
8439:
8435:
8412:
8408:
8386:
8360:
8356:
8327:
8323:
8319:
8294:
8290:
8265:
8261:
8236:
8232:
8223:
8219:
8210:
8206:
8186:(1): 67â82.
8183:
8179:
8142:
8138:
8129:
8125:
8111:
8085:
8081:
8060:
8056:
8020:
8014:
7975:
7971:
7950:
7946:
7937:
7933:
7909:
7898:
7888:
7856:
7852:
7832:
7822:
7818:
7781:
7775:
7762:
7758:
7745:
7741:
7729:Bibliography
7715:
7703:
7670:
7658:
7646:
7609:
7597:
7570:
7558:
7546:
7519:
7490:
7478:
7456:Shpinev 2012
7439:Shpinev 2006
7419:
7412:Shpinev 2014
7407:
7395:
7383:
7371:
7359:
7347:
7335:
7323:
7318:, p. 6.
7303:, p. 7.
7296:
7284:
7272:
7230:
7201:
7196:, p. 1.
7177:, p. 2.
7112:Barbour 1914
7026:
6962:Shpinev 2012
6881:Shpinev 2012
6862:Shpinev 2014
6857:
6845:
6816:
6758:
6746:
6702:Størmer 1955
6697:
6692:, p. 4.
6677:, p. 5.
6580:Størmer 1955
6575:
6570:, p. 3.
6563:
6505:
6493:
6452:
6450:
6441:
6434:
6428:
6424:
6420:
6412:
6410:
6404:
6398:
6377:
6373:
6371:
6364:
6361:euarthropods
6356:
6329:
6324:
6318:
6311:
6305:
6289:
6283:
6273:
6269:
6267:
6262:
6257:
6253:
6238:branchiopods
6229:
6225:
6220:
6218:
6209:
6196:
6192:
6190:
6186:
6180:
6159:of Germany (
6152:
6150:
6146:
6141:
6132:
6120:
6118:
6114:
6109:
6105:
6102:A. sievertsi
6101:
6097:
6093:
6089:
6083:
6069:
6063:
6059:
6054:
6050:
6043:
6037:
6024:Paleoecology
6016:
6014:
5998:
5994:
5993:
5983:
5979:
5975:
5973:
5970:
5966:
5962:
5958:
5955:A. sellardsi
5954:
5950:
5946:
5942:
5938:
5934:
5930:
5926:
5922:
5920:
5916:
5911:
5907:Unionopterus
5905:
5901:
5893:monophyletic
5888:
5887:
5883:
5877:
5873:
5871:
5767:
5766:
5765:
5750:
5749:
5748:
5726:
5725:
5724:
5702:
5701:
5700:
5678:
5677:
5676:
5654:
5653:
5652:
5631:A. sievertsi
5630:
5629:
5628:
5615:
5614:
5600:
5599:
5576:
5575:
5525:
5524:
5508:
5507:
5477:
5476:
5444:Orcanopterus
5442:
5441:
5420:
5415:
5411:
5405:
5401:A. sievertsi
5400:
5399:
5395:
5386:
5380:
5376:
5370:
5366:
5364:
5360:
5353:
5349:Grossopterus
5347:
5343:Orcanopterus
5341:
5337:
5335:
5329:
5321:
5319:
5314:
5312:
5306:
5290:
5192:
5191:
5175:
5174:
5151:
5150:
5129:Erettopterus
5127:
5126:
5103:
5102:
5079:
5078:
5057:Hughmilleria
5055:
5054:
4993:
4992:
4991:
4975:
4974:
4951:
4950:
4918:
4917:
4901:
4900:
4870:
4869:
4820:Grossopterus
4818:
4817:
4801:
4800:
4779:Orcanopterus
4777:
4776:
4745:
4739:
4733:
4729:
4725:Orcanopterus
4723:
4721:
4717:
4701:
4695:
4689:
4683:
4677:
4671:
4659:
4658:
4653:
4641:
4625:
4619:
4613:
4609:
4606:coal forests
4602:
4597:
4593:
4588:
4584:
4582:
4577:
4572:
4569:A. sievertsi
4568:
4565:A. sellardsi
4564:
4560:
4556:
4554:
4551:
4540:A. sellardsi
4539:
4535:
4531:
4524:A. douvillei
4523:
4520:A. chinensis
4519:
4512:A. douvillei
4511:
4507:
4499:
4497:
4489:
4456:
4448:
4445:A. chinensis
4444:
4440:
4436:
4432:
4428:
4424:
4420:
4416:
4412:
4408:
4404:
4400:
4396:
4392:
4386:
4377:
4373:
4368:
4359:
4351:
4343:
4335:
4331:
4319:
4312:Glencartholm
4307:
4299:
4295:
4293:
4290:
4234:
4230:
4227:
4222:
4219:
4211:
4203:
4201:
4195:
4179:
4156:
4147:
4139:
4135:
4131:
4128:H. dewalquei
4127:
4121:
4109:
4101:
4099:
4092:
4086:
4070:
4066:
4062:
4058:
4054:
4050:
4044:
4039:
4036:A. sievertsi
4035:
4020:A. sievertsi
4019:
4015:
3993:
3950:
3934:
3919:
3917:
3912:
3908:
3904:
3895:
3893:
3888:
3868:
3866:
3861:
3849:
3845:
3841:
3837:
3833:
3831:
3822:Unionopterus
3820:
3812:
3809:Soviet Union
3804:
3800:
3783:
3782:
3777:
3773:
3769:
3765:
3757:
3753:
3751:
3745:
3729:
3725:
3721:
3717:
3716:in 1983 (as
3713:
3709:
3705:
3703:
3698:
3689:
3688:The species
3687:
3684:
3680:
3676:
3675:
3670:
3666:
3662:
3658:
3654:
3650:
3646:
3642:
3638:
3636:
3633:
3625:
3621:
3617:
3608:
3606:
3603:
3595:
3591:
3583:
3579:
3571:
3567:
3563:
3561:
3557:A. sellardsi
3556:
3552:
3549:A. sellardsi
3548:
3544:
3540:
3539:The species
3538:
3528:
3526:
3521:
3517:
3505:
3501:
3495:
3492:
3488:
3482:
3478:AndrĂŠ Dumont
3473:
3469:
3465:
3461:
3457:
3453:
3449:
3445:
3441:
3421:
3417:
3416:The species
3415:
3410:
3406:
3399:nebraskensis
3398:
3394:
3390:
3386:
3385:
3380:
3377:
3373:
3369:
3365:
3357:
3353:
3351:
3342:
3338:
3324:
3323:in Portugal.
3316:
3312:
3310:
3307:
3303:
3299:
3291:
3287:
3281:
3278:
3270:
3266:
3263:
3255:
3251:
3247:
3243:
3231:
3227:
3225:
3222:
3218:
3216:
3208:
3204:
3201:
3197:
3193:
3189:
3185:
3181:
3177:
3173:
3169:
3165:
3161:
3157:
3154:
3146:
3138:
3134:
3124:
3119:
3115:
3112:
3108:
3104:
3096:
3092:
3090:
3076:
3072:
3057:
3053:
3049:
3045:
3042:
3034:
3025:
3017:
3015:
3005:
2981:
2977:
2973:
2969:
2965:
2948:
2945:
2931:
2925:
2921:
2917:
2913:
2909:
2892:
2889:
2875:
2868:A. sievertsi
2867:
2863:
2840:
2834:
2826:
2823:A. sellardsi
2822:
2819:A. sievertsi
2818:
2812:
2786:
2779:A. sellardsi
2778:
2775:A. chinensis
2774:
2770:
2766:
2763:A. sellardsi
2762:
2758:
2741:
2738:
2724:
2716:
2690:
2682:
2678:
2674:
2669:
2647:
2641:
2633:
2616:
2613:
2599:
2591:
2586:
2582:
2560:
2553:
2548:
2540:
2536:
2533:
2530:
2526:
2505:
2491:
2483:
2457:
2450:A. sellardsi
2449:
2445:
2435:A. sellardsi
2434:
2420:
2412:
2408:
2404:
2400:
2396:
2370:
2364:
2360:
2356:
2352:
2348:
2322:
2316:
2312:
2286:
2278:
2274:
2270:
2268:
2262:
2239:
2231:
2227:
2223:
2219:
2215:
2189:
2181:
2177:
2173:
2152:
2138:
2132:
2128:
2124:
2120:
2116:
2112:
2110:
2106:
2089:
2086:
2072:
2064:
2060:
2056:
2053:A. sievertsi
2052:
2048:
2044:
2040:
2036:
2033:A. sellardsi
2032:
2028:
2024:
2019:
2013:
2006:
1986:
1978:
1974:
1970:
1967:A. sellardsi
1966:
1962:
1958:
1954:
1938:
1935:
1921:
1892:
1886:
1882:
1856:
1844:
1836:
1832:
1807:
1799:
1795:
1791:
1787:
1761:
1753:
1749:
1745:
1742:
1737:
1733:
1729:
1725:
1721:
1717:
1713:
1707:
1700:
1691:
1688:
1672:
1664:
1634:
1626:
1609:
1606:
1592:
1584:
1557:
1549:
1545:
1541:
1537:
1533:
1503:
1495:
1478:
1475:
1461:
1455:
1451:
1448:
1444:
1432:
1418:
1410:
1406:
1402:
1398:
1381:
1378:
1364:
1356:
1352:
1326:
1318:
1314:
1310:
1306:
1302:
1276:
1246:
1243:
1233:
1225:
1209:
1193:
1183:
1177:
1175:
1169:
1158:
1154:
1150:
1146:
1142:
1138:
1134:
1130:
1126:
1122:
1118:
1114:
1110:
1107:A. sievertsi
1106:
1099:A. douvillei
1098:
1091:
1087:
1083:
1079:
1077:
1068:
1060:
1055:
1027:
1023:
1019:
1016:A. douvillei
1015:
1011:
1010:
1005:
989:
987:
970:
964:
961:cosmopolitan
956:
936:
934:
917:
905:
892:
891:
890:
881:Decker, 1938
876:
869:A. sellardsi
868:
867:Synonyms of
850:
843:A. sievertsi
842:
841:Synonyms of
827:
819:
818:Synonyms of
801:
793:
792:Synonyms of
775:
767:
766:Synonyms of
752:
743:
734:
725:
699:PĹibyl, 1952
693:
692:
681:
680:
669:
668:
658:A. sievertsi
657:
656:
646:A. sellardsi
645:
644:
633:
632:
624:
617:
616:
605:
604:
593:
592:
581:
580:
575:(Hall, 1877)
569:
568:
557:
556:
545:
544:
533:
532:
527:(Hall, 1877)
521:
520:
509:
508:
497:
496:
485:
484:
473:
472:
461:
460:
449:
448:
437:
436:
431:Jordan, 1854
425:
424:
413:
412:
401:
400:
390:A. douvillei
389:
388:
377:
376:
366:A. chinensis
365:
364:
353:
352:
341:
340:
335:(Bell, 1922)
329:
328:
317:
316:
305:
304:
279:
272:
271:
262:Type species
252:
245:
244:
134:
35:
29:
9420:Palmichnium
9397:Ichnogenera
9295:Carcinosoma
8989:Eurypterina
8882:Stylonurina
8820:Prosomapoda
8802:Chelicerata
8800:Subphylum:
8778:Eurypterids
8600:(1): 1â20.
8442:(1): 3â12.
8132:(3): 1â278.
7784:: 164â181.
7512:Tetlie 2007
7400:Dunbar 1924
7364:Laurie 1895
7206:Dunbar 1924
6500:stylonurine
6344:vertebrates
6280:Respiration
6205:Belinuridae
6201:xiphosurans
6076:fresh water
5980:A. granosus
5947:A. kidstoni
5939:A. pruvosti
5935:A. cambieri
5895:, and thus
5727:A. granosus
5447:(outgroup)
4903:Bassipterus
4705:Eurypterina
4685:Bassipterus
4652:Fossils of
4453:Carnic Alps
4429:A. pruvosti
4409:A. kidstoni
4405:A. asturica
4397:A. granosus
4393:A. raniceps
4382:Westphalian
4374:Anthracomya
4344:A. cambieri
4324:Krasnoyarsk
4316:Tournaisian
4175:Stylonurina
3758:Rhenopterus
3677:A. asturica
3647:Lepidoderma
3592:A. pruvosti
3578:, Belgium.
3536:first one.
3518:A. kidstoni
3450:A. granosus
3434:counterpart
3209:G. kidstoni
3182:A. raniceps
3151:Mazon Creek
3116:Lepidoderma
3105:Lepidoderma
3093:A. granosus
3077:Lepidoderma
3058:A. granosus
3022:SaarbrĂźcken
3006:A. granosus
2970:A. granosus
2955:15 cm
2899:20 cm
2864:Rhenopterus
2859:(Devonian)
2853:15 cm
2814:Rhenopterus
2808:(Devonian)
2802:18 cm
2695:Goldenberg
2664:Tournaisian
2634:Lepidoderma
2433:Synonym of
2409:A. granosus
2338:12 cm
2302:22 cm
2205:18 cm
2169:(Devonian)
2125:A. kidstoni
2113:A. kidstoni
2041:A. granosus
1951:(Devonian)
1945:32 cm
1912:Tournaisian
1908:13 cm
1883:Lepidoderma
1839:are on the
1837:A. granosus
1833:A. granosus
1823:15 cm
1508:Chernyshev
1431:Synonym of
1411:A. kidstoni
1407:A. kidstoni
1357:A. asturica
1353:Lepidoderma
1298:(Devonian)
1214:opisthosoma
1123:A. granosus
1065:eurypterids
1046:Description
977:during the
935:Fossils of
930:Stylonurina
922:Eurypterina
854:trapezoides
832:Peach, 1882
757:Peach, 1882
730:Reuss, 1855
726:Lepidoderma
634:A. raniceps
606:A. pruvosti
486:A. kidstoni
426:A. granosus
342:A. cambieri
318:A. asturica
206:Eurypterida
193:Chelicerata
189:Subphylum:
9592:Categories
9386:Stylonurus
9372:Pterygotus
9351:Mixopterus
9344:Megarachne
9309:Eurypterus
9194:Ordovician
9150:Slimonidae
9061:Infraorder
8838:Dekatriata
8829:Planaterga
8796:Arthropoda
8716:glosbe.com
8396:B0043KRIVC
8213:: 317â325.
7825:: 119â130.
7765:: 159â167.
7078:Wills 1964
6979:Peach 1882
6943:Reuss 1855
6515:References
6507:Pterygotus
6378:A. pyrrhae
6357:A. pyrrhae
6332:trabeculae
6325:A. pyrrhae
6298:book gills
6290:A. pyrrhae
6246:millipedes
6137:coal swamp
6125:Bashkirian
5967:A. moyseyi
5951:A. wilsoni
5931:A. corneti
5902:A. dumonti
5768:A. dumonti
5751:A. moyseyi
5377:N. patteni
5326:Slimonidae
5289:Fossil of
5177:Acutiramus
5153:Pterygotus
4544:Artinskian
4449:A. piussii
4437:A. dumonti
4433:A. wilsoni
4421:A. moyseyi
4352:A. corneti
4340:Bashkirian
4336:A. pyrrhae
4194:Fossil of
4144:stylonurid
4136:A. lohesti
4132:A. lohesti
4110:A. lohesti
4094:Pterygotus
4088:Acutiramus
4008:Euramerica
3976:Euramerica
3951:A. pyrrhae
3928:phosphatic
3869:A. piussii
3827:Kazakhstan
3744:Fossil of
3730:A. lohesti
3722:A. lohesti
3718:A. lohesti
3710:E. lohesti
3706:Eurypterus
3626:A. corneti
3602:, France).
3442:Eurypterus
3438:considered
3418:A. dumonti
3391:Eurypterus
3381:A. moyseyi
3374:E. moyseyi
3366:E. moyseyi
3344:Eurypterus
3339:A. dumonti
3256:mansfieldi
3248:Eurypterus
3240:James Hall
3147:Eurypterus
3133:described
3071:Fossil of
3036:Eurypterus
2959:Bashkirian
2918:A. wilsoni
2910:Eurypterus
2754:(Permian)
2752:Artinskian
2703:Uncertain
2675:A. pyrrhae
2670:A. pyrrhae
2660:7 cm
2592:A. wilsoni
2583:A. piussii
2576:4 cm
2511:affinities
2504:Uncertain
2484:Eurypterus
2473:8 cm
2392:(Permian)
2386:6 cm
2361:A. moyseyi
2349:Eurypterus
2275:A. dumonti
2255:8 cm
2211:(Permian)
2178:A. lohesti
2174:Eurypterus
2158:affinities
2156:stylonurid
2151:Uncertain
2129:A. wilsoni
2049:A. wilsoni
2004:15 cm
1796:A. dumonti
1788:Eurypterus
1777:6 cm
1734:A. wilsoni
1726:A. moyseyi
1698:18 cm
1665:Eurypterus
1660:(Permian)
1650:4 cm
1620:Bashkirian
1580:(Permian)
1534:Eurypterus
1527:Kasimovian
1523:Bashkirian
1516:Uncertain
1489:Bashkirian
1392:Kasimovian
1303:Eurypterus
1292:7 cm
1198:anteriorly
1159:A. dumonti
1143:A. moyseyi
1119:A. wilsoni
1056:A. irinae.
966:Pterygotus
902:arthropods
898:eurypterid
852:Eurypterus
805:derbiensis
803:Eurypterus
794:A. moyseyi
783:Hall, 1884
777:Eurypterus
682:A. wilsoni
618:A. pyrrhae
594:A. piussii
546:A. moyseyi
498:A. lohesti
414:A. dumonti
378:A. corneti
297:33 species
183:Arthropoda
139:James Hall
9463:Metastoma
9447:Xiphosura
9437:Arachnida
9224:Geography
8788:Kingdom:
8696:128745616
8655:140535807
8614:130931651
8585:130625350
8507:0031-0182
8458:1860-1014
8377:128596620
8311:128763113
8167:131526496
8159:2053-5945
8102:131123467
8047:221590821
7806:225748023
6809:Bell 1922
6520:Citations
6436:Cordaites
6348:arachnids
6336:hemolymph
6294:phosphate
6242:ostracods
6161:Moscovian
6129:Moscovian
5984:A. imhofi
5927:A. zadrai
5923:A. imhofi
5303:carapaces
4615:Hastimima
4528:Sakmarian
4413:A. imhofi
4389:Moscovian
4360:A. zadrai
4356:Quaregnon
4348:Charleroi
4332:A. irinae
4320:A. irinae
4208:Paleozoic
4106:Famennian
4059:A. dubius
4004:Laurentia
3984:Laurentia
3947:Deucalion
3913:A. dubius
3867:In 2013,
3852:) of the
3842:A. dubius
3836:in 2012;
3784:A. irinae
3630:Quaregnon
3580:A. zadrai
3576:Charleroi
3564:A. zadrai
3454:A. imhofi
3213:Ben Peach
3114:The name
3085:Frankfurt
3073:A. imhofi
2982:A. zadrai
2978:A. zadrai
2974:A. zadrai
2966:A. zadrai
2949:A. imhofi
2903:Moscovian
2893:A. imhofi
2880:Woodward
2742:A. imhofi
2710:Moscovian
2646:Lamsdell
2627:Moscovian
2617:A. imhofi
2507:Possible
2477:Moscovian
2390:Sakmarian
2342:Moscovian
2327:Woodward
2306:Moscovian
2224:A. imhofi
2167:Famennian
2154:Possible
2143:Dewalque
2100:Moscovian
2090:A. imhofi
2065:A. dubius
2037:A. imhofi
1979:A. dubius
1963:A. moysei
1876:Moscovian
1841:sternites
1827:Moscovian
1781:Moscovian
1766:Stainier
1746:A. dubius
1738:A. zadrai
1714:A. dubius
1658:Sakmarian
1610:A. imhofi
1479:A. imhofi
1382:A. imhofi
1346:Moscovian
1331:Melendez
1296:Famennian
1222:laterally
1206:metastoma
1139:A. irinae
1127:A. zadrai
1036:phylogeny
953:Australia
694:A. zadrai
623:Lamsdell
450:A. irinae
438:A. imhofi
402:A. dubius
169:Kingdom:
163:Eukaryota
9522:Q4682031
9516:Wikidata
9484:Category
9406:Arcuites
9379:Slimonia
9204:Devonian
9199:Silurian
8986:Suborder
8879:Suborder
8856:Taxonomy
8794:Phylum:
8790:Animalia
8705:Websites
8536:59488956
8480:: 79â90.
8344:91741388
8282:84097923
8253:84858705
8226:: 81â83.
8039:32916114
8002:19828493
6462:See also
6445:salinity
6302:lamellae
6284:Through
6072:brackish
5881:certain.
5105:Slimonia
4711:and the
4504:Asselian
4279:Scotland
4075:Frasnian
4000:Avalonia
3988:Avalonia
3966:Devonian
3885:carapace
3881:Pontebba
3846:dubius =
3215:in 1882.
3143:subgenus
3054:grÄnĹsus
3050:granosus
2857:Frasnian
2791:Størmer
2547:than in
2375:Barbour
2209:Asselian
1993:Shpinev
1949:Givetian
1897:Shpinev
1849:tergites
1679:Shpinev
1654:Asselian
1639:de Lima
1597:Pruvost
1578:Asselian
1466:Pruvost
1253:Species
1190:carapace
1179:Slimonia
1103:Devonian
1073:nektonic
1067:such as
998:carapace
994:holotype
709:Synonyms
288:Species
225:Family:
179:Phylum:
173:Animalia
159:Domain:
9562:3581791
9549:1206363
9536:4650061
9252:Oceania
9214:Permian
8676:Bibcode
8635:Bibcode
7993:2865068
7959:1304420
7940:: 1â15.
7861:Bibcode
7786:Bibcode
6454:Limulus
6430:Walchia
6400:Limulus
6397:(genus
6234:insects
6203:of the
6155:in the
5301:Fossil
4516:Bussaco
4461:Permian
4371:bivalve
4271:England
4259:Germany
4251:Ukraine
4247:Belgium
4152:Siberia
4118:Belgium
3996:Baltica
3980:Baltica
3931:nodules
3889:piussii
3817:Ukraine
3791:of the
3474:dumonti
3430:Campine
3346:dumonti
3321:Bussaco
3120:lepidus
2936:PĹibyl
2839:Tetlie
2729:Dunbar
2425:Decker
1812:Jordan
1562:Grabau
1265:Length
1262:Status
1256:Author
1218:abdomen
1188:), the
1096:Permian
1090:known,
983:Permian
975:Pangaea
912:to the
627:., 2020
278:Jordan
251:Jordan
238:Genus:
199:Order:
9242:Europe
9232:Africa
8863:Genera
8694:
8653:
8612:
8583:
8534:
8505:
8456:
8394:
8375:
8342:
8309:
8280:
8251:
8165:
8157:
8100:
8045:
8037:
8000:
7990:
7957:
7917:
7840:
7804:
6173:uplift
6080:marine
6034:telson
4328:Russia
4283:France
4267:Russia
4261:, the
4028:Emsian
3797:Russia
3613:Donets
3588:Berlin
3514:Canada
3426:boring
2944:Valid
2888:Valid
2850:Valid
2841:et al.
2806:Emsian
2799:Valid
2737:Valid
2657:Valid
2648:et al.
2612:Valid
2573:Valid
2520:VisĂŠan
2496:Peach
2470:Valid
2383:Valid
2335:Valid
2299:Valid
2252:Valid
2202:Valid
2085:Valid
2077:Peach
2001:Valid
1934:Valid
1905:Valid
1869:Valid
1861:Reuss
1774:Valid
1687:Valid
1647:Valid
1605:Valid
1570:Valid
1474:Valid
1423:Peach
1413:does.
1377:Valid
1339:Valid
1289:Valid
1230:telson
1202:ocelli
1030:as a "
945:Europe
779:stylus
9575:18949
9544:IRMNG
8843:Clade
8834:Clade
8825:Clade
8816:Clade
8807:Clade
8692:S2CID
8651:S2CID
8610:S2CID
8581:S2CID
8548:(PDF)
8532:S2CID
8470:(PDF)
8373:S2CID
8340:S2CID
8307:S2CID
8278:S2CID
8249:S2CID
8163:S2CID
8098:S2CID
8043:S2CID
7955:JSTOR
7885:(PDF)
7802:S2CID
6352:lungs
6350:with
6340:blood
6315:'
6184:them.
4354:from
4346:from
4318:-age
4287:Italy
4275:Wales
4255:China
4243:Spain
4114:Liège
4022:from
3877:Udine
3873:Italy
3825:from
3815:from
2748:? cm
2706:? cm
2623:? cm
2516:? cm
2462:Hall
2244:Hall
2163:? cm
2096:? cm
1872:? cm
1616:? cm
1573:? cm
1519:? cm
1485:? cm
1388:? cm
1369:Bell
1342:? cm
1259:Year
625:et al
9531:GBIF
9237:Asia
8503:ISSN
8454:ISSN
8392:ASIN
8155:ISSN
8035:PMID
7998:PMID
7915:ISBN
7838:ISBN
6292:. A
6248:and
6127:and
6044:The
5965:and
5953:and
5410:and
5352:and
4732:and
4694:and
4618:and
4563:and
4548:Elmo
4395:and
4387:The
4350:and
4285:and
4091:and
4057:and
4002:and
3986:and
3911:and
3840:and
3819:and
3649:and
3600:Lens
3456:and
3409:(or
3269:(as
3230:(as
3207:and
3164:and
3129:and
2940:1952
2884:1888
2846:2004
2825:and
2795:1969
2733:1924
2699:1873
2681:and
2653:2020
2608:1948
2569:2013
2500:1882
2466:1877
2429:1938
2379:1914
2331:1907
2295:1868
2248:1877
2226:and
2198:1981
2147:1889
2081:1888
2063:and
2051:and
1997:2012
1977:and
1965:and
1930:2018
1901:2006
1865:1855
1816:1854
1770:1915
1752:and
1683:2012
1643:1890
1601:1939
1566:1920
1512:1933
1470:1930
1427:1882
1373:1922
1335:1971
1285:1888
1182:and
1125:and
981:and
951:and
949:Asia
59:Preę
8684:doi
8643:doi
8602:doi
8573:doi
8524:doi
8495:doi
8491:252
8444:doi
8417:doi
8365:doi
8332:doi
8299:doi
8270:doi
8241:doi
8188:doi
8147:doi
8090:doi
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