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386:(claws in front of the mouth) were small. The first two pairs of walking legs were strongly developed, with long paired spines. The third and fourth walking legs were moderately sized, with short spines. The
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Braddy, Simon J. (14 September 2024). "Carcinosomatoid eurypterid palaeoecology and phylogeny: ichnology and palaeocommunities".
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commonly known as "sea scorpions". The family is one of two families contained in the superfamily
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848:
772:
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1531:
1197:
1169:
1162:
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1113:
866:
805:
795:
787:
741:
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643:
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272:
66:
1416:
1155:
987:
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754:
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1127:
821:
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408:
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340:
339:), which in turn is one of the superfamilies classified as part of the suborder
325:
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41:
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1141:
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According to a 2024 paper, this family may be paraphyletic, containing modern
321:
279:
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191:
86:
51:
1295:
1279:
1269:
628:
350:. However, the vast majority of phylogenetic analyses classify scorpions as
347:
328:
168:
148:
91:
35:
390:, the front portion of the body, was narrow with axial furrows, while the
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Treatise on
Invertebrate Paleontology, Part P Arthropoda 2, Chelicerata
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545:. University of California Museum of Paleontology Berkeley.
516:
Neues
Jahrbuch für Geologie und Paläontologie - Abhandlungen
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688:
354:, not eurypterids, making this claim unlikely.
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8:
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1326:
901:
826:
719:
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580:
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20:
362:Mixopterids were characterized by large
506:
427:Caster & Kjellesvig-Waering, 1955
235:Caster & Kjellesvig-Waering, 1955
7:
1473:
1471:
1413:
1411:
549:from the original on 23 October 2020
541:Waggoner, B. M. (12 October 1999).
14:
1475:
1415:
1312:
1311:
1008:
480:
135:
1301:Timeline of eurypterid research
1548:Prehistoric arthropod families
1:
124:Moscow Paleontological Museum
1491:. You can help Knowledge by
1434:. You can help Knowledge by
370:or semicircular scales. The
16:Extinct family of arthropods
1574:
1470:
1423:This article related to a
1410:
1309:
1006:
703:List of eurypterid genera
617:
543:"Eurypterida: Morphology"
302:
295:
268:
261:
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132:Scientific classification
130:
115:
106:
23:
251:Mixopterus multispinosus
528:10.1127/njgpa/2024/1206
1487:-related article is a
324:, an extinct group of
27:Temporal range: early
1553:Silurian animal stubs
425:Family Mixopteridae
398:was a curved spine.
570:1955. Merostomata.
496:List of eurypterids
488:Paleontology portal
831:Onychopterelloidea
1538:Carcinosomatoidea
1500:
1499:
1443:
1442:
1405:
1404:
1390:Open Tree of Life
1332:Taxon identifiers
1323:
1322:
1004:
1003:
1000:
999:
996:
995:
952:Adelophthalmoidea
934:Waeringopteroidea
906:Carcinosomatoidea
839:Onychopterellidae
814:
813:
465:
450:
439:
428:
422:
418:Carcinosomatoidea
413:
333:Carcinosomatoidea
314:
313:
308:
236:
218:Carcinosomatoidea
122:exhibited at the
119:Mixopterus kiaeri
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1558:Eurypterid stubs
1543:Silurian animals
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1289:Related articles
1246:Merostomichnites
1012:
960:Adelophthalmidae
942:Waeringopteridae
914:Carcinosomatidae
902:
885:Strobilopteridae
827:
801:Hibbertopteridae
750:Parastylonuridae
720:
693:
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426:
421:Burmeister, 1845
420:
412:Burmeister, 1843
411:
394:was narrow. The
337:Carcinosomatidae
320:are a family of
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305:Lanarkopteridae
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1275:Chasmataspidida
1258:
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1121:Campylocephalus
1094:
1051:
1013:
992:
978:Hughmilleriidae
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946:
928:
919:Megalograptidae
895:
889:
875:Dolichopteridae
861:
849:Moselopteroidea
843:
820:
810:
796:Drepanopteridae
782:
778:Hardieopteridae
765:Kokomopteroidea
759:
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438:Ruedemann, 1921
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366:with scattered
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307:Tollerton, 1989
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1263:Related groups
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1215:
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1201:
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1191:Onychopterella
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1180:
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1159:
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1149:Hibbertopterus
1145:
1138:
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1117:
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1107:Adelophthalmus
1102:
1100:
1099:Notable genera
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970:Pterygotioidea
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897:Diploperculata
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857:Moselopteridae
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773:Kokomopteridae
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724:Rhenopteroidea
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522:(2): 167–181.
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1198:Pentecopterus
1195:
1193:
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1170:Megalograptus
1167:
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1163:Jaekelopterus
1160:
1158:
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1150:
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1135:Drepanopterus
1132:
1130:
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1125:
1123:
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1118:
1116:
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1114:Brachyopterus
1111:
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1090:South America
1088:
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1080:North America
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1042:Carboniferous
1040:
1038:
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1019:Geochronology
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867:Eurypteroidea
864:
858:
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852:
850:
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840:
837:
836:
834:
832:
828:
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823:
817:
807:
806:Mycteroptidae
804:
802:
799:
797:
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791:
789:
788:Mycteropoidea
785:
779:
776:
774:
771:
770:
768:
766:
762:
756:
753:
751:
748:
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745:
743:
742:Stylonuroidea
739:
733:
732:Rhenopteridae
730:
729:
727:
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721:
718:
716:
710:
704:
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680:Sclerophorata
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663:
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644:Euchelicerata
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497:
494:
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489:
478:
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449:Størmer, 1936
447:
446:
445:Lanarkopterus
441:
436:
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430:
429:
424:
423:
419:
415:
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406:
405:
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399:
397:
393:
389:
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304:
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284:
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277:
275:
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273:Lanarkopterus
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53:
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43:
37:
30:
22:
19:
1493:expanding it
1482:
1436:expanding it
1422:
1407:
1340:Mixopteridae
1339:
1251:
1244:
1237:
1217:
1210:
1203:
1196:
1189:
1182:
1175:
1168:
1161:
1156:Hughmilleria
1154:
1147:
1140:
1133:
1126:
1119:
1112:
1105:
988:Pterygotidae
924:Mixopteridae
923:
880:Eurypteridae
755:Stylonuridae
675:
666:
657:
648:
639:
571:
563:
551:. Retrieved
536:
519:
515:
509:
461:
454:
443:
432:
416:Superfamily
380:antemedially
364:exoskeletons
361:
345:
335:(along with
318:Mixopteridae
317:
315:
285:
278:
271:
249:
242:Type species
231:Mixopteridae
230:
198:Infraorder:
117:
24:Mixopteridae
18:
1253:Palmichnium
1230:Ichnogenera
1128:Carcinosoma
822:Eurypterina
715:Stylonurina
653:Prosomapoda
635:Chelicerata
633:Subphylum:
611:Eurypterids
456:Terropterus
409:Eurypterida
392:postabdomen
376:subquadrate
374:(head) was
358:Description
341:Eurypterina
326:chelicerate
322:eurypterids
287:Terropterus
192:Eurypterida
179:Chelicerata
175:Subphylum:
1532:Categories
1485:eurypterid
1219:Stylonurus
1205:Pterygotus
1184:Mixopterus
1177:Megarachne
1142:Eurypterus
1027:Ordovician
983:Slimonidae
894:Infraorder
671:Dekatriata
662:Planaterga
629:Arthropoda
574:, P34-P35.
568:Størmer, L
553:20 October
502:References
434:Mixopterus
388:preabdomen
384:chelicerae
329:arthropods
280:Mixopterus
169:Arthropoda
116:Fossil of
1355:Q20751915
1296:Metastoma
1280:Xiphosura
1270:Arachnida
1057:Geography
621:Kingdom:
368:tubercles
352:arachnids
348:scorpions
155:Kingdom:
149:Eukaryota
1425:Silurian
1349:Wikidata
1317:Category
1239:Arcuites
1212:Slimonia
1037:Devonian
1032:Silurian
819:Suborder
712:Suborder
689:Taxonomy
627:Phylum:
623:Animalia
547:Archived
474:See also
297:Synonyms
224:Family:
165:Phylum:
159:Animalia
145:Domain:
29:Silurian
1395:4709258
1369:4668163
1085:Oceania
1047:Permian
464:., 2021
372:prosoma
185:Order:
1428:animal
1382:102592
1075:Europe
1065:Africa
696:Genera
453:Genus
442:Genus
431:Genus
407:Order
402:Genera
396:telson
382:. The
263:Genera
1483:This
1430:is a
1377:IRMNG
676:Clade
667:Clade
658:Clade
649:Clade
640:Clade
462:et al
460:Wang
1489:stub
1432:stub
1364:GBIF
1070:Asia
555:2020
316:The
42:PreꞒ
524:doi
520:312
1534::
1392::
1379::
1366::
1351::
678::
669::
660::
651::
642::
518:.
343:.
126:.
92:Pg
36:Ma
31:,
1520:e
1513:t
1506:v
1495:.
1463:e
1456:t
1449:v
1438:.
603:e
596:t
589:v
557:.
530:.
526::
248:†
228:†
215:†
202:†
189:†
97:N
87:K
82:J
77:T
72:P
67:C
62:D
57:S
52:O
47:Ꞓ
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