1653:
1622:
1358:
2659:
143:
1633:
1643:
1368:
559:
725:
543:
714:
119:
1593:-zone of Virginia (Rome Formation, Mason Creek, Salem; North-East of Roanoke, near Webster; 2 miles South-West of Blue Ridge Springs, 2 miles South of Max Meadows; Mason Creek, 1 mile east of Salem; Β½ mile South-East of Indian Rock; 1 mile East of Cleveland, Alabama; 1Β½ miles North of Montevallo; 1Β½ miles West of Montevallo).
1933:
The maximum width of the frontal lobe of the glabella (L4) is larger than the maximum width of the occipital ring (L0). L2 bulges laterally compared to L0. The pleural spines of the third thorax segment (T3) extend backwards the entire length of the prothorax. The width of the seventh thorax segment
1842:
The maximum width of the frontal lobe of the glabella (L4) is more than 80% of the maximum width of the backward most lobe (L0). The area in front of the glabella (or preglabellar field) is between 15% and 25% of the length of L4. The right and left furrow (S2) between the second (L2) and third (L3)
1814:
The area outside the eye lobe (or extraocular area) is prominently flattened. The frontal margin of the third thorax segment (T3) is deflected anteriorly between 0% and 10%. The eye lobe extends backward to the middle of the occipital ring (L0) or the furrow (S0) between the occipital ring (L0) and
1878:
The right and left furrow (S1) between the first (L1) and second (L2) pair of side lobes (counted from the back of the cephalon) join across the midline. The area outside the eye lobe (or extraocular area) is prominently flattened. The frontal margin of the third thorax segment (T3) is deflected
1695:, because the angle in the back rim of the cephalon is less than 15Β°, making the head approximately semi-circular. The genal spines are reaching back no further than the 6th thorax segment, making them 4-5 times as long as the most backward lobe of the glabella (occipital ring or L0)1. The
1860:
The maximum width of L4 is less than 80% of the maximum width of L0. The area in front of the glabella (or preglabellar field) is between 15% and 50% of the length of L4. The right and left S2-furrow join across the midline. The eye lobe extends backward to the middle of L0 or
1686:
also shares the typical character of whole family
Olenellidae that the frontal (L3) and middle pair (L2) of lateral lobes of the glabella are partially merged. This creates two very typical, isolated slits. It can be distinguished from the other two genera in the family,
1951:
The maximum width of L4 is smaller than, or approximately equal to, the maximum width of L0. L2 is as wide as L0. The pleural spines of T3 extend backwards 6 to 8 segments. The width of T7 is less than β
of the width of T3, excluding the
2533:
Stewart, J.; McMenamin, M. A. S.; Morales-Ramirez, J. M. (1984), "Upper
Proterozoic and Cambrian rocks in the Caborca Region, Sonora, Mexico - physical stratigraphy, biostratigraphy, paleocurrent studies, and regional relations",
1843:
pair of side lobes (counted from the back of the cephalon) may or may not join across the midline. The eye lobe extends backward to the furrow (S0) between L0 and the most backward pair of side lobes (L1).
2615:
In: R.D. Hatcher, W.A. Thomas, and G.W. Viele, eds. The
Appalachian-Ouachita Orogen in the United States. The Geology of North America, Volume F-2. Boulder CO. Geological Society of America: pp. 7-101.
1896:
The right and left part of S1 do not join across the midline. The area outside the eye lobe (or extraocular area) is gently convex. The frontal margin of T3 is deflected anteriorly between 0% and 5%.
1825:
The area outside the eye lobe (or extraocular area) is gently convex. The frontal margin of T3 is deflected anteriorly between 5% and 10%. The eye lobe extends backward to the middle of L0.
2916:
1579:-zone of Pennsylvania (2 miles North of York, Fruitville; 3 miles North of Lancaster; Getz Quarry; 1 mile North of Rohrerstown; Β½ mile South of East Petersburg; all in the
1471:-zone of Vermont (Parkers Quarry, Parker Slate, Georgia); and Β½ mile South of East Petersburg; 2 miles North of York and Fruitville, 3 miles North of Lancaster (all in the
1425:-zone of California (Bristol Mountain, near Cadiz, on the Santa FΓ© Railroad, 100 miles East of Barstow, Mohave Desert, probably Latham Shale; Latham Shale β treated as the
2059:
2804:
2596:
In: Carbonates, schists, and geomorphology in the vicinity of the lower reaches of the
Susquehanna River; 55th annual field conference of Pennsylvania geologists:
1747:
The frontal lobe of the glabella (L4) is connected with the border surrounding the cephalon with a short ridge on the midline (the so-called βplectrumβ). β 3
2610:
Rankin, D.W.; Drake Jr., A.A.; Glover III, L.; Goldsmith, R.; Hall, L.M.; Murray, D.P.; Ratcliffe, N.M.; Read, R.F.; Secor Jr., D.T.; Stanley, R.S. (1989),
2911:
1969:
The maximum width of the frontal lobe of the glabella (L4) is larger than the maximum width of the occipital ring (L0). L2 bulges laterally compared to L0.
651:
means βsmall frontβ from the Latin words parvus and frontatus, indicating the short distance between the anterior border and the glabella in this species.
1699:
is 4-4Β½ times wider that the axis, measured at the 3rd segment. The base of the spine on the 15th thorax segment is almost as wide as the axis itself.
2791:
2099:
2926:
2625:
Barnaby, R.J.; Read, J.F. (1990), "Carbonate ramp to rimmed shelf evolution: Lower to Middle
Cambrian continental margin, Virginia Appalachians",
1429:-zonule β Marble Mountains, Β½ mile East of Cadiz, and at the Southern end of the Marble Mountains, near Chambless in the Mohave Desert portion of
1674:. Like all other members of the superfamily Olenelloide, the eye-ridges emerge from the back of the frontal lobe (L4) of the central area of the
1527:-zonule β at the South end of the Marble Mountains, near Chambless in the Mohave Desert portion of San Bernardino County. It also occurs in the
1569:-zone of British Columbia, Canada (?Upper Mahto Formation, drift block on the slope of the Mural Glacier below Mumm Peak, Near Mount Robson).
2901:
2931:
1666:
has an almost flat exoskeleton, that is only thinly calcified, and has crescent-shaped eye ridges. As part of the suborder
Olenellina,
2921:
2906:
2677:
130:
1913:
The eye lobe extends backward to the furrow (S0) between the occipital ring (L0) and the most backward pair of side lobes (L1). β 9
1430:
2402:
Fritz, W.H. (1972), "Lower
Cambrian Trilobites from the Sekwi Formation type section, Mackenzie Mountains, northwestern Canada",
1523:-zonule of California (Carrara Formation, Funeral Mountains and Grapevine Mountains); and from the Latham Shale β treated as the
1438:
2553:
Fritz, W.H. (1992), "Walcott's Lower
Cambrian olenellid trilobite collection 61K, Mount Robson area, Canadian Rocky Mountains",
2074:
1652:
2163:
Palmer, A.R. (1998). "Terminal Early
Cambrian Extinction of the Olenellina: Documentation from the Pioche Formation, Nevada".
2218:
and associated Lower
Cambrian trilobites (1f fauna) at the base of Walcott's Waucoban Series, Southern Great Basin, U.S.A.".
657:
was named in honor of Dr. H. Justin Roddy (1856-1943), an internationally known naturalist, curator and professor of geology.
2701:
2881:
2593:
Lithofacies, trilobite faunas, and correlation of the Kinzers, Ledger, and Conestoga Formations in the Conestoga Valley
2876:
2685:
269:
2896:
2891:
142:
2717:
2709:
2514:
Fritz, W.H. (1991), "Lower Cambrian Trilobites from the Illtyd Formation, Wernecke Mountains, Yukon Territoriy",
1679:
1675:
1671:
377:
315:
2646:
1986:
The maximum width of L4 is approximately equal to the maximum width of L0. L2 bulges laterally compared to L0.
1388:
2462:
Hazzard, J.C.; Crickmay, C.H. (1933), "Notes on the Cambrian rocks of the eastern Hohave Desert, California",
2220:
618:
2886:
2731:
1708:
This key is based on Lieberman (1999), which describes only part of the species that are recognized today.
365:
2572:
Stose, G.W.; Jonas, A.I. (1922), "The lower Paleozoic section in southeastern Pennsylvania: Washington",
2830:
2118:
2848:
1621:
2871:
2634:
2489:
2377:
2229:
2172:
1446:
1434:
1357:
2664:
1450:
2253:
2245:
2196:
2188:
1546:
694:
is the only genus currently recognised in the subfamily Olenellinae. The sister group called the
574:
137:
2421:
Walcott, C.D. (1913), "Cambrian geology and paleontology, No. 11, New Lower Cambrian subfauna",
2835:
1495:-zone of Pennsylvania (2 miles North of York, and Noah Getz Farm, 1 mile North of Rohrerstown,
2817:
2809:
2778:
1580:
1496:
1472:
1442:
590:
who was turned to stone by the gods. The names of the species have the following derivations.
292:
2822:
1767:
Frontal lobe of the glabella (L4) as wide as, or narrower than, the occipital ring (L0). β 4
516:, with species of average size (about 5 centimetres or 2.0 inches long). It lived during the
2642:
2497:
2385:
2237:
2180:
1632:
1454:
346:
246:
2342:
Riccio, J.F. (1952), "The Lower Cambrian Olenellidae of the Marble Mountains, California",
1642:
664:
2769:
2638:
2493:
2381:
2233:
2176:
1367:
2464:
University of California Publications, Bulletin of the Department of Geological Science
2317:
1381:
1311:
1300:
1245:
1234:
1223:
1212:
1201:
1168:
1157:
1146:
1120:
558:
273:
2003:
The maximum width of L4 is smaller than the maximum width of L0. L2 is as wide as L0.
2865:
2257:
2200:
1289:
1256:
1179:
1135:
1087:
1054:
1001:
968:
926:
831:
579:
76:
2693:
2318:"Through a Glass Darkly: Taxonomy, Phylogeny and Biostratigraphy of the Olenellina"
1458:
1412:
1267:
1098:
781:). However, this group is more closely related to the majority of the remainder of
724:
706:
2783:
628:
542:
17:
2763:
1433:, as well as from the Latham Shale, near Summit Springs on the West side of the
1065:
860:
820:
713:
695:
608:
510:
213:
200:
51:
2654:
2241:
2184:
753:. Recent analysis shows that there is a group of species formerly assigned to
611:, which includes the Ruin Wash section, that holds the last of the Olenellina.
96:
61:
2501:
1696:
1545:-zone of the Yukon Territory, Canada (Unit 6 of the Upper Illtyd Formation,
1333:
1322:
1278:
1190:
1109:
1076:
1043:
1023:
1012:
990:
979:
957:
946:
915:
904:
882:
871:
794:
700:
536:
513:
187:
174:
154:
118:
101:
2754:
2748:
1344:
893:
805:
need to be dropped as subgenera, the latter being proposed by Lieberman.
530:
521:
517:
91:
86:
71:
66:
56:
2389:
673:
is from the Latin terminus, meaning final, indicating the demise of the
2796:
2249:
2192:
503:
255:
106:
81:
642:
587:
164:
2725:
1559:-zone of the Caborca Region, Mexico (Buelna Formation, Cerro Rajon)
617:
was named in honor of Ed Fowler, whose quarrying skills exposed the
1804:
Furrow only present at the anterior margin of the ocular lobe. β 7
2843:
2104:(Trilobita) from the Lower Cambrian Strata of North-West Scotland"
1651:
1641:
1631:
1620:
1366:
1356:
723:
712:
598:
557:
541:
535:, in what is currently North-America, part of the palaeocontinent
506:
1794:
Ocular lobe with a prominent furrow along the entire margin. β 5
1535:-zone of Nevada (Carrara Formation, Desert Range, Locality M-5).
2440:
Resser, C.E. (1928), "Cambrian Fossils from the Mohave Desert",
2729:
2060:"Systematic Revision of the Olenelloidea (Trilobita, Cambrian)"
1934:(T7) is more than β
of the width of T3, excluding the spines.
2647:
10.1130/0016-7606(1990)102<0391:crtrse>2.3.co;2
1923:
The eye lobe extends backward to the middle of L0. β 10
720:
collected from the Pioche Shale, Lincoln County, Nevada.
2457:
2455:
2322:
The University of Kansas Paleontological Contributions
2359:
2357:
1599:
has been collected from the final layer of the Upper
1481:
has been collected from the final layer of the Upper
1437:, San Bernardino County. In California also from the
1407:
has been collected from the final layer of the Upper
586:
was originally assigned. The name Olenus refers to a
2597:
2738:
2364:Resser, C.E.; Howell, B.F. (1938), "Lower Cambrian
2311:
2309:
2307:
2305:
2303:
2067:Bulletin of the Peabody Museum of Natural History
2053:
2051:
2049:
2047:
2045:
2043:
2041:
2039:
2037:
2035:
2033:
2031:
2029:
2027:
2025:
2344:Bulletin of the Californian Academy of Sciences
2279:
2277:
2275:
2273:
2271:
2269:
2267:
1815:the most backward pair of side lobes (L1). β 6
1720:Frontal lobe of the glabella (L4) rounded. β 2
913:p. 8. fig 1-11, non pl. 7, fig 1, 2, 5 =
745:was previously regarded as a genus related to
2627:Bulletin of the Geological Society of America
2370:Bulletin of the Geological Society of America
8:
2917:Paleozoic life of Newfoundland and Labrador
2598:Field Conference of Pennsylvania Geologists
2516:Bulletin of the Geological Survey of Canada
1021:, p. 220, pl. 5, fig. 7, non fig. 6 =
840:pl. 40, fig 12, 13, 15, 16, non fig. 14 =
2726:
2555:Bulletin of the Canadian Geological Survey
2536:U.S. Geological Survey Professional Papers
2404:Bulletin of the Canadian Geological Survey
1613:-zone of Vermont (Parker Slate, Georgia).
1401:-zone of Vermont (Parker Slate, Georgia).
849:pl. 40, fig 14, non fig. 12, 13, 15, 16 =
117:
31:
2158:
1609:has been collected from the middle Upper
2337:
2335:
2156:
2154:
2152:
2150:
2148:
2146:
2144:
2142:
2140:
2138:
2021:
1996:
1979:
1962:
1944:
1926:
1916:
1906:
1889:
1871:
1853:
1835:
1818:
1807:
1797:
1787:
1770:
1760:
1750:
1740:
1723:
1713:
1505:occurs in the final layer of the Upper
1467:has been collected in the middle Upper
2288:and other genera of the Mesonacidae",
2442:Smithsonian Miscellaneous Collections
2423:Smithsonian Miscellaneous Collections
2290:Smithsonian Miscellaneous Collections
1453:, Salt Spring Hills); and in Nevada (
7:
2849:DC11878B-3B4B-FFC3-B1AF-3984E6342067
1997:
1980:
1963:
1945:
1927:
1917:
1907:
1890:
1872:
1854:
1836:
1819:
1808:
1798:
1788:
1771:
1761:
1751:
1741:
1724:
1714:
1603:-zone of Nevada (Pioche Formation).
1509:-zone of Nevada (Pioche Formation).
1485:-zone of Nevada (Pioche Formation).
631:, on whose Lancaster estate several
2591:Taylor, J.F.; Durika, N.J. (1990),
2316:Palmer, A.R.; Repina, L.N. (1993),
1555:was found in the Botonian/Toyonian
793:. This implies that either two new
687:Relationship within the Olenellidae
2912:Paleozoic life of British Columbia
2574:Journal of the Academy of Sciences
2476:Dunbar, C.O. (1925), "Antennae in
2098:Cowie, J.; McNamara, K.J. (1978).
131:National Museum of Natural History
25:
1180:Schmidtiellus mickwitzi mickwitzi
797:subgenera need to be erected, or
578:, after a genus belonging to the
2657:
1515:has been collected in the Upper
141:
1662:As with most early trilobites,
1397:is present in the middle Upper
1290:Schmidtiellus mickwitzi torelli
565:was named in honor of Ed Fowler
2927:Taxa named by Elkanah Billings
1879:anteriorly between 5% and 10%.
645:, where this species is found.
1:
1380:is found in the middle Upper
635:species were first collected.
322:O. thompsoni crassimarginatus
2902:Fossils of the United States
2117:(3): 615β634. Archived from
749:or a subgenus being part of
582:, to which the type species
2482:American Journal of Science
2368:zone of the Appalachians",
2008:Olenellus crassimarginatus
1589:occurs in the middle Upper
1136:Bolbolenellus groenlandicus
1055:Bolbolenellus groenlandicus
832:Bolbolenellus altifrontatus
27:Extinct genus of trilobites
2948:
2932:Cambrian genus extinctions
1541:has been collected in the
1391:, Parker Slate, Georgia).
1323:Mummaspis truncatooculatus
1268:Mesolenellus svalbardensis
1257:Bolbolenellus sphaerulosus
1235:Fritzolenellus reticulatus
1224:Elliptocephala praenuntius
927:Bolbolenellus sphaerulosus
2922:Paleozoic life of Nunavut
2907:Paleozoic life of Alberta
2242:10.1017/S002233600003523X
2185:10.1017/S0022336000040373
2002:
1985:
1968:
1950:
1932:
1922:
1912:
1895:
1877:
1859:
1841:
1824:
1813:
1803:
1793:
1776:
1766:
1756:
1746:
1729:
1719:
1246:Elliptocephala sequomalus
1213:Elliptocephala paraocules
1202:Nephrolenellus multinodus
601:word for field or hamlet.
460:Resser & Howell, 1938
424:Resser & Howell, 1938
284:Resser & Howell, 1938
261:
254:
138:Scientific classification
136:
125:
116:
34:
2058:Lieberman, B.S. (1999).
1901:Olenellus parvofrontatus
1158:Elliptocephala laxocules
1147:Fritzolenellus lapworthi
1121:Fritzolenellus lapworthi
1099:Mesolenellus hyperboreus
2502:10.2475/ajs.s5-9.52.303
2284:Walcott, C.D. (1910), "
2221:Journal of Paleontology
2165:Journal of Paleontology
1312:Fritzolenellus truemani
1301:Elliptocephala walcotti
1002:Bolbolenellus euryparia
969:Bolbolenellus euryparia
698:consists of the genera
641:refers to the state of
546:Life reconstruction of
1991:Olenellus robsonensis
1730:L4 pointed anteriorly.
1659:
1649:
1639:
1629:
1565:occurs in the ?Middle
1374:
1364:
1044:Bristolia bristolensis
999:pl. 37, fig. 1, 4-5 =
905:Bristolia bristolensis
799:Olenellus (Paedeumias)
755:Olenellus (Paedeumias)
731:
721:
566:
550:
416:Paedeumias robsonensis
2831:Paleobiology Database
2612:Pre-orogenic terrains
2600:, no. 55, p. 136-160.
2214:W. H. Fritz (1995). "
1757:Plectrum absent. β 8
1655:
1645:
1635:
1624:
1431:San Bernardino County
1370:
1360:
1334:Mesonacis vermontanus
1169:Elliptocephala logani
1088:Bolbolenellus hermani
1024:Mesonacis vermontanus
947:Mesonacis cylindricus
916:Bristolia harringtoni
803:Olenellus (Olenellus)
727:
716:
561:
545:
384:Paedeumias nevadensis
2720:Olenellus transitans
2704:Olenellus terminatus
2680:Olenellus chiefensis
1884:Olenellus transitans
1866:Olenellus nevadensis
1735:Olenellus chiefensis
1657:Olenellus terminatus
1647:Olenellus nevadensis
1626:Olenellus chiefensis
1553:O. puertoblancoensis
1447:Resting Spring Range
1435:Providence Mountains
1191:Bristolia mohavensis
958:Mesonacis eagerensis
842:Grandinasus argentus
735:Status of the clade
531:522 to 510
401:O. puertoblancoensis
127:Olenellus transitans
2882:Cambrian trilobites
2712:Olenellus thompsoni
2665:Paleontology portal
2639:1990GSAB..102..391B
2494:1925AmJS....9..303D
2390:10.1130/GSAB-49-195
2382:1938GSAB...49..195R
2234:1995JPal...69..708F
2177:1998JPal...72..650P
1974:Olenellus thompsoni
1465:O. crassimarginatus
1451:Grapevine Mountains
1345:Wanneria walcottana
1318:O. truncatooculatus
1279:Mesonacis bonnensis
1077:Mesonacis hamoculus
1034:Andalusiana cornuta
1010:pl. 37, fig. 1-2 =
937:Callavonia callavei
883:Mesonacis bonnensis
872:Mesonacis bonnensis
861:Fallotaspis bondoni
729:Olenellus thompsoni
588:mythological figure
548:Olenellus thompsoni
488:Paedeumias perkinsi
388:Callavia nevadensis
312:O. crassimarginatus
43:Botomian/Toyonian (
2877:Redlichiida genera
2696:Olenellus gilberti
1939:Olenellus romensis
1703:Key to the species
1660:
1650:
1640:
1630:
1547:Wernecke Mountains
1491:is found in Upper
1449:, Eagle mountain,
1421:is found in Upper
1375:
1365:
1362:Olenellus gilberti
1110:Bristolia insolens
1013:Mesonacis fremonti
991:Bristolia fragilis
988:pl. 15, fig. 18 =
980:Redlichia forresti
809:Reassigned species
732:
722:
567:
551:
444:Paedeumias glabrum
2897:Fossils of Mexico
2892:Fossils of Canada
2859:
2858:
2818:Open Tree of Life
2732:Taxon identifiers
2216:Esmeraldina rowei
2014:
2013:
1782:Olenellus agellus
1777:L4 wider than L0.
1709:
1678:, that is called
1539:O. parvifrontatus
1443:Funeral Mountains
1439:Carrara Formation
1411:-zone of Nevada (
1066:Fremontella halli
894:Callavia broegeri
821:Fremontella halli
771:O. parvofrontatus
718:Olenellus fowleri
563:Olenellus fowleri
533:million years ago
495:
494:
484:O. brachycephalus
481:
473:
461:
425:
413:
405:
397:
393:O. parvofrontatus
381:
369:
350:
339:
319:
307:Paedeumias clarki
304:
296:
285:
277:
250:
18:Olenellus fowleri
16:(Redirected from
2939:
2852:
2851:
2839:
2838:
2826:
2825:
2813:
2812:
2800:
2799:
2787:
2786:
2774:
2773:
2772:
2759:
2758:
2757:
2727:
2667:
2662:
2661:
2660:
2650:
2649:
2622:
2616:
2614:
2607:
2601:
2595:
2588:
2582:
2581:
2569:
2563:
2562:
2550:
2544:
2543:
2530:
2524:
2523:
2511:
2505:
2504:
2473:
2467:
2466:
2459:
2450:
2449:
2437:
2431:
2430:
2418:
2412:
2411:
2399:
2393:
2392:
2361:
2352:
2351:
2339:
2330:
2329:
2313:
2298:
2297:
2281:
2262:
2261:
2211:
2205:
2204:
2160:
2133:
2132:
2130:
2129:
2123:
2108:
2095:
2089:
2088:
2086:
2085:
2079:
2073:. Archived from
2064:
2055:
1848:Olenellus clarki
1830:Olenellus roddyi
1712:
1711:
1707:
1637:Olenellus clarki
1455:Nevada Test Site
1413:Pioche Formation
1372:Olenellus roddyi
1263:O. svalbardensis
1050:O. groenlandicus
827:O. altifrontatus
785:species than to
627:is called after
621:of this species.
534:
479:
471:
459:
423:
411:
403:
395:
375:
364:
345:
337:
314:
302:
291:
283:
267:
245:
238:
225:
212:
199:
186:
146:
145:
121:
111:
48:
40:Temporal range:
32:
21:
2947:
2946:
2942:
2941:
2940:
2938:
2937:
2936:
2862:
2861:
2860:
2855:
2847:
2842:
2834:
2829:
2821:
2816:
2808:
2803:
2795:
2790:
2782:
2777:
2768:
2767:
2762:
2753:
2752:
2747:
2734:
2688:Olenellus getzi
2674:
2663:
2658:
2656:
2653:
2624:
2623:
2619:
2609:
2608:
2604:
2590:
2589:
2585:
2571:
2570:
2566:
2552:
2551:
2547:
2532:
2531:
2527:
2513:
2512:
2508:
2478:Olenellus getzi
2475:
2474:
2470:
2461:
2460:
2453:
2439:
2438:
2434:
2420:
2419:
2415:
2401:
2400:
2396:
2363:
2362:
2355:
2341:
2340:
2333:
2315:
2314:
2301:
2283:
2282:
2265:
2213:
2212:
2208:
2162:
2161:
2136:
2127:
2125:
2121:
2106:
2097:
2096:
2092:
2083:
2081:
2077:
2062:
2057:
2056:
2023:
2019:
2004:
1987:
1970:
1957:Olenellus getzi
1953:
1935:
1897:
1880:
1862:
1844:
1826:
1778:
1731:
1705:
1619:
1531:-zonule, Upper
1389:Franklin County
1355:
1350:
1274:O. terranovicus
1252:O. sphaerulosus
911:O. bristolensis
900:O. bristolensis
811:
740:
689:
684:
597:comes from the
556:
529:
480:(Walcott, 1910)
330:O. latilimbatus
244:
236:
223:
210:
197:
184:
140:
112:
110:
109:
104:
99:
94:
89:
84:
79:
74:
69:
64:
59:
54:
42:
41:
38:
28:
23:
22:
15:
12:
11:
5:
2945:
2943:
2935:
2934:
2929:
2924:
2919:
2914:
2909:
2904:
2899:
2894:
2889:
2884:
2879:
2874:
2864:
2863:
2857:
2856:
2854:
2853:
2840:
2827:
2814:
2801:
2788:
2775:
2760:
2744:
2742:
2736:
2735:
2730:
2724:
2723:
2718:photograph of
2715:
2710:photograph of
2707:
2702:photograph of
2699:
2694:photograph of
2691:
2686:photograph of
2683:
2678:photograph of
2673:
2672:External links
2670:
2669:
2668:
2652:
2651:
2633:(3): 391β404,
2617:
2602:
2583:
2564:
2545:
2525:
2506:
2488:(9): 303β308,
2468:
2451:
2432:
2413:
2394:
2376:(2): 195β248,
2353:
2331:
2299:
2263:
2228:(4): 708β723.
2206:
2171:(4): 650β672.
2134:
2090:
2020:
2018:
2015:
2012:
2011:
2001:
1995:
1994:
1984:
1978:
1977:
1967:
1961:
1960:
1949:
1943:
1942:
1931:
1925:
1924:
1921:
1915:
1914:
1911:
1905:
1904:
1894:
1888:
1887:
1876:
1870:
1869:
1858:
1852:
1851:
1840:
1834:
1833:
1823:
1817:
1816:
1812:
1806:
1805:
1802:
1796:
1795:
1792:
1786:
1785:
1775:
1769:
1768:
1765:
1759:
1758:
1755:
1749:
1748:
1745:
1739:
1738:
1728:
1722:
1721:
1718:
1704:
1701:
1672:dorsal sutures
1618:
1615:
1575:occurs in the
1563:O. robsonensis
1354:
1351:
1349:
1348:
1340:O. walcottanus
1337:
1329:O. vermontanus
1326:
1315:
1304:
1293:
1282:
1271:
1260:
1249:
1238:
1230:O. reticulatus
1227:
1219:O. praenuntius
1216:
1205:
1194:
1183:
1172:
1161:
1150:
1139:
1128:
1126:F. reticulatus
1116:O. intermedius
1113:
1102:
1094:O. hyperboreus
1091:
1080:
1069:
1058:
1047:
1036:
1027:
1019:O. georgiensis
1016:
1005:
994:
983:
972:
961:
950:
942:O. cylindricus
939:
930:
919:
908:
897:
886:
875:
864:
853:
851:Holmiella falx
844:
835:
824:
816:O. alabamensis
812:
810:
807:
757:nested within
739:
733:
688:
685:
683:
680:
679:
678:
668:
665:Rome Formation
663:refers to the
658:
652:
649:parvofrontatus
646:
636:
622:
612:
607:refers to the
602:
555:
552:
493:
492:
491:
490:
474:
466:
454:
418:
409:O. robsonensis
406:
398:
390:
370:
359:
340:
332:
309:
303:(Resser, 1928)
297:
286:
278:
259:
258:
252:
251:
234:
230:
229:
221:
217:
216:
208:
204:
203:
195:
191:
190:
182:
178:
177:
172:
168:
167:
162:
158:
157:
152:
148:
147:
134:
133:
123:
122:
114:
113:
105:
100:
95:
90:
85:
80:
75:
70:
65:
60:
55:
50:
49:
39:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
2944:
2933:
2930:
2928:
2925:
2923:
2920:
2918:
2915:
2913:
2910:
2908:
2905:
2903:
2900:
2898:
2895:
2893:
2890:
2888:
2887:Index fossils
2885:
2883:
2880:
2878:
2875:
2873:
2870:
2869:
2867:
2850:
2845:
2841:
2837:
2832:
2828:
2824:
2819:
2815:
2811:
2806:
2802:
2798:
2793:
2789:
2785:
2780:
2776:
2771:
2765:
2761:
2756:
2750:
2746:
2745:
2743:
2741:
2737:
2733:
2728:
2722:
2721:
2716:
2714:
2713:
2708:
2706:
2705:
2700:
2698:
2697:
2692:
2690:
2689:
2684:
2682:
2681:
2676:
2675:
2671:
2666:
2655:
2648:
2644:
2640:
2636:
2632:
2628:
2621:
2618:
2613:
2606:
2603:
2599:
2594:
2587:
2584:
2579:
2575:
2568:
2565:
2560:
2556:
2549:
2546:
2541:
2537:
2529:
2526:
2521:
2517:
2510:
2507:
2503:
2499:
2495:
2491:
2487:
2483:
2479:
2472:
2469:
2465:
2458:
2456:
2452:
2447:
2443:
2436:
2433:
2429:(11): 309β326
2428:
2424:
2417:
2414:
2409:
2405:
2398:
2395:
2391:
2387:
2383:
2379:
2375:
2371:
2367:
2360:
2358:
2354:
2349:
2345:
2338:
2336:
2332:
2327:
2323:
2319:
2312:
2310:
2308:
2306:
2304:
2300:
2295:
2291:
2287:
2280:
2278:
2276:
2274:
2272:
2270:
2268:
2264:
2259:
2255:
2251:
2247:
2243:
2239:
2235:
2231:
2227:
2223:
2222:
2217:
2210:
2207:
2202:
2198:
2194:
2190:
2186:
2182:
2178:
2174:
2170:
2166:
2159:
2157:
2155:
2153:
2151:
2149:
2147:
2145:
2143:
2141:
2139:
2135:
2124:on 2012-05-26
2120:
2116:
2112:
2111:Palaeontology
2105:
2103:
2094:
2091:
2080:on 2019-05-09
2076:
2072:
2068:
2061:
2054:
2052:
2050:
2048:
2046:
2044:
2042:
2040:
2038:
2036:
2034:
2032:
2030:
2028:
2026:
2022:
2016:
2010:
2009:
2000:
1993:
1992:
1983:
1976:
1975:
1966:
1959:
1958:
1948:
1941:
1940:
1930:
1920:
1910:
1903:
1902:
1893:
1886:
1885:
1875:
1868:
1867:
1857:
1850:
1849:
1839:
1832:
1831:
1822:
1811:
1801:
1791:
1784:
1783:
1774:
1764:
1754:
1744:
1737:
1736:
1727:
1717:
1710:
1702:
1700:
1698:
1694:
1690:
1685:
1681:
1677:
1673:
1669:
1665:
1658:
1654:
1648:
1644:
1638:
1634:
1627:
1623:
1616:
1614:
1612:
1608:
1607:O. transitans
1604:
1602:
1598:
1597:O. terminatus
1594:
1592:
1588:
1584:
1582:
1578:
1574:
1570:
1568:
1564:
1560:
1558:
1554:
1550:
1548:
1544:
1540:
1536:
1534:
1530:
1526:
1522:
1518:
1514:
1513:O. nevadensis
1510:
1508:
1504:
1500:
1498:
1494:
1490:
1486:
1484:
1480:
1476:
1474:
1470:
1466:
1462:
1460:
1456:
1452:
1448:
1444:
1440:
1436:
1432:
1428:
1424:
1420:
1416:
1414:
1410:
1406:
1405:O. chiefensis
1402:
1400:
1396:
1392:
1390:
1386:
1384:
1379:
1378:O. thompsoni
1373:
1369:
1363:
1359:
1352:
1347:
1346:
1341:
1338:
1336:
1335:
1330:
1327:
1325:
1324:
1319:
1316:
1314:
1313:
1308:
1305:
1303:
1302:
1297:
1294:
1292:
1291:
1286:
1283:
1281:
1280:
1275:
1272:
1270:
1269:
1264:
1261:
1259:
1258:
1253:
1250:
1248:
1247:
1242:
1241:O. sequomalus
1239:
1237:
1236:
1231:
1228:
1226:
1225:
1220:
1217:
1215:
1214:
1209:
1208:O. paraocules
1206:
1204:
1203:
1198:
1197:O. multinodus
1195:
1193:
1192:
1187:
1186:O. mohavensis
1184:
1182:
1181:
1176:
1173:
1171:
1170:
1165:
1162:
1160:
1159:
1154:
1151:
1149:
1148:
1143:
1140:
1138:
1137:
1132:
1129:
1127:
1123:
1122:
1117:
1114:
1112:
1111:
1106:
1103:
1101:
1100:
1095:
1092:
1090:
1089:
1084:
1081:
1079:
1078:
1073:
1070:
1068:
1067:
1062:
1059:
1057:
1056:
1051:
1048:
1046:
1045:
1040:
1037:
1035:
1031:
1028:
1026:
1025:
1020:
1017:
1015:
1014:
1009:
1006:
1004:
1003:
998:
995:
993:
992:
987:
984:
982:
981:
976:
973:
971:
970:
965:
962:
960:
959:
954:
953:O. eagerensis
951:
949:
948:
943:
940:
938:
934:
931:
929:
928:
923:
920:
918:
917:
912:
909:
907:
906:
901:
898:
896:
895:
890:
887:
885:
884:
879:
878:O. brevoculus
876:
874:
873:
868:
865:
863:
862:
857:
854:
852:
848:
845:
843:
839:
836:
834:
833:
828:
825:
823:
822:
817:
814:
813:
808:
806:
804:
800:
796:
792:
788:
784:
780:
779:O. transitans
776:
772:
768:
767:O. nevadensis
764:
760:
756:
752:
748:
744:
738:
734:
730:
726:
719:
715:
711:
709:
708:
703:
702:
697:
693:
686:
681:
676:
672:
669:
666:
662:
659:
656:
653:
650:
647:
644:
640:
637:
634:
630:
626:
623:
620:
619:type locality
616:
613:
610:
606:
603:
600:
596:
593:
592:
591:
589:
585:
581:
580:Ptychopariida
577:
576:
571:
564:
560:
553:
549:
544:
540:
538:
532:
527:
523:
519:
515:
512:
508:
505:
501:
500:
489:
485:
478:
477:O. transitans
475:
470:
469:O. terminatus
467:
465:
458:
455:
453:
452:P. eboracense
449:
445:
441:
437:
433:
429:
422:
419:
417:
412:Burling, 1916
410:
407:
404:Lochman, 1952
402:
399:
394:
391:
389:
385:
379:
374:
373:O. nevadensis
371:
367:
363:
360:
358:
357:O. peculiaris
354:
348:
344:
341:
336:
333:
331:
327:
323:
317:
313:
310:
308:
301:
298:
294:
290:
289:O. chiefensis
287:
282:
279:
275:
271:
266:
263:
262:
260:
257:
253:
248:
243:
242:
235:
232:
231:
228:
222:
219:
218:
215:
209:
206:
205:
202:
196:
193:
192:
189:
183:
180:
179:
176:
173:
170:
169:
166:
163:
160:
159:
156:
153:
150:
149:
144:
139:
135:
132:
128:
124:
120:
115:
108:
103:
98:
93:
88:
83:
78:
73:
68:
63:
58:
53:
46:
37:
33:
30:
19:
2739:
2719:
2711:
2703:
2695:
2687:
2679:
2630:
2626:
2620:
2611:
2605:
2592:
2586:
2580:(5): 358β366
2577:
2573:
2567:
2558:
2554:
2548:
2539:
2535:
2528:
2519:
2515:
2509:
2485:
2481:
2477:
2471:
2463:
2445:
2441:
2435:
2426:
2422:
2416:
2407:
2403:
2397:
2373:
2369:
2365:
2347:
2343:
2325:
2321:
2296:(6): 231β422
2293:
2289:
2285:
2225:
2219:
2215:
2209:
2168:
2164:
2126:. Retrieved
2119:the original
2114:
2110:
2101:
2093:
2082:. Retrieved
2075:the original
2070:
2066:
2007:
2006:
1998:
1990:
1989:
1981:
1973:
1972:
1964:
1956:
1955:
1946:
1938:
1937:
1928:
1918:
1908:
1900:
1899:
1891:
1883:
1882:
1873:
1865:
1864:
1855:
1847:
1846:
1837:
1829:
1828:
1820:
1809:
1799:
1789:
1781:
1780:
1772:
1762:
1752:
1742:
1734:
1733:
1725:
1715:
1706:
1692:
1689:Mesolenellus
1688:
1683:
1667:
1663:
1661:
1656:
1646:
1636:
1625:
1610:
1606:
1605:
1600:
1596:
1595:
1590:
1586:
1585:
1576:
1572:
1571:
1566:
1562:
1561:
1556:
1552:
1551:
1542:
1538:
1537:
1532:
1528:
1524:
1520:
1516:
1512:
1511:
1506:
1502:
1501:
1492:
1488:
1487:
1482:
1478:
1477:
1468:
1464:
1463:
1459:Desert Range
1426:
1422:
1418:
1417:
1408:
1404:
1403:
1398:
1394:
1393:
1387:of Vermont (
1382:
1377:
1376:
1371:
1361:
1353:Distribution
1343:
1339:
1332:
1328:
1321:
1317:
1310:
1306:
1299:
1295:
1288:
1284:
1277:
1273:
1266:
1262:
1255:
1251:
1244:
1240:
1233:
1229:
1222:
1218:
1211:
1207:
1200:
1196:
1189:
1185:
1178:
1175:O. mickwitzi
1174:
1167:
1163:
1156:
1153:O. laxocules
1152:
1145:
1142:O. lapworthi
1141:
1134:
1131:O. kentensis
1130:
1125:
1119:
1115:
1108:
1104:
1097:
1093:
1086:
1082:
1075:
1072:O. hamoculus
1071:
1064:
1060:
1053:
1049:
1042:
1038:
1033:
1029:
1022:
1018:
1011:
1007:
1000:
996:
989:
985:
978:
974:
967:
964:O. euryparia
963:
956:
952:
945:
941:
936:
932:
925:
922:O. bufrontis
921:
914:
910:
903:
899:
892:
888:
881:
877:
870:
867:O. bonnensis
866:
859:
855:
850:
846:
841:
837:
830:
826:
819:
815:
802:
798:
795:monophyletic
790:
786:
782:
778:
774:
770:
766:
762:
758:
754:
750:
746:
743:"Paedeumias"
742:
741:
737:"Paedeumias"
736:
728:
717:
707:Mesolenellus
705:
699:
691:
690:
674:
670:
660:
654:
648:
638:
632:
629:Noah L. Getz
624:
614:
604:
594:
584:O. thompsoni
583:
573:
572:means small
569:
568:
562:
547:
525:
498:
497:
496:
487:
483:
476:
472:Palmer, 1998
468:
463:
456:
451:
447:
443:
439:
435:
431:
428:O. similaris
427:
420:
415:
408:
400:
392:
387:
383:
372:
361:
356:
352:
342:
338:Palmer, 1998
334:
329:
325:
321:
311:
306:
299:
288:
280:
265:O. thompsoni
264:
240:
239:
226:
126:
44:
35:
29:
2872:Olenellidae
2764:Wikispecies
1617:Description
1587:O. romensis
1307:O. truemani
1296:O. truemani
1105:O. insolens
1039:O. gilberti
1008:O. fremonti
997:O. fremonti
986:O. fremonti
975:O. forresti
933:O. callavei
889:O. broegeri
847:O. argentus
838:O. argentus
791:O. romensis
696:Mesonacinae
609:Chief Range
482:, synonyms
457:O. romensis
448:P. yorkense
426:, synonyms
396:Fritz, 1991
382:, synonyms
351:, synonyms
320:, synonyms
227:Olenellinae
220:Subfamily:
214:Olenellidae
201:Redlichiida
2866:Categories
2480:, n.sp.",
2128:2012-04-27
2084:2012-10-30
2017:References
1503:O. howelli
1479:O. fowleri
1395:O. agellus
1285:O. torelli
1083:O. hermani
856:O. bondoni
787:O. agellus
671:terminatus
639:nevadensis
605:chiefensis
514:trilobites
511:redlichiid
462:, synonym
440:O. jonasae
436:O. nitidus
432:O. nodosus
414:, synonym
362:O. howelli
335:O. fowleri
326:O. wanneri
305:, synonym
281:O. agellus
175:Arthropoda
2770:Olenellus
2740:Olenellus
2448:(2): 1β14
2366:Olenellus
2286:Olenellus
2258:131860193
2201:131861504
2102:Olenellus
1693:Mesonacis
1684:Olenellus
1668:Olenellus
1664:Olenellus
1628:-cephalon
1611:Olenellus
1601:Olenellus
1591:Olenellus
1577:Olenellus
1573:O. roddyi
1567:Olenellus
1557:Olenellus
1543:Olenellus
1533:Olenellus
1529:Bristolia
1525:Bristolia
1521:Bristolia
1517:Olenellus
1507:Olenellus
1493:Olenellus
1483:Olenellus
1469:Olenellus
1427:Bristolia
1423:Olenellus
1419:O. clarki
1409:Olenellus
1399:Olenellus
1383:Olenellus
1164:O. logani
783:Olenellus
775:O. roddyi
763:O. clarki
759:Olenellus
751:Olenellus
747:Olenellus
701:Mesonacis
692:Olenellus
675:Olenellus
633:Olenellus
570:Olenellus
554:Etymology
537:Laurentia
526:Olenellus
499:Olenellus
464:O. buttsi
421:O. roddyi
300:O. clarki
272:, 1859) (
241:Olenellus
188:Trilobita
161:Kingdom:
155:Eukaryota
45:Olenellus
36:Olenellus
2749:Wikidata
1680:glabella
1676:cephalon
1583:Shale).
1499:Shale).
1489:O. getzi
1475:Shale).
1061:O. halli
1030:O. gigas
682:Taxonomy
677:lineage.
661:romensis
528:-zone),
524:stages (
522:Toyonian
518:Botomian
353:O. alius
343:O. getzi
247:Billings
207:Family:
171:Phylum:
165:Animalia
151:Domain:
2823:4705282
2810:1029074
2797:4636107
2635:Bibcode
2490:Bibcode
2378:Bibcode
2350:: 25β49
2250:1306305
2230:Bibcode
2193:1306693
2173:Bibcode
1952:spines.
1581:Kinzers
1519:-zone,
1497:Kinzers
1473:Kinzers
615:fowleri
595:agellus
504:extinct
380:, 1910)
378:Walcott
316:Walcott
256:Species
233:Genus:
194:Order:
181:Class:
2755:Q26270
2561:: 1β65
2542:: 1β33
2522:: 1β77
2410:: 1β90
2328:: 1β35
2256:
2248:
2199:
2191:
1697:thorax
1670:lacks
655:roddyi
643:Nevada
575:Olenus
502:is an
368:, 1874
349:, 1925
347:Dunbar
318:, 1910
295:, 1998
293:Palmer
249:, 1861
47:-zone)
2844:Plazi
2836:19149
2805:IRMNG
2254:S2CID
2246:JSTOR
2197:S2CID
2189:JSTOR
2122:(PDF)
2107:(PDF)
2078:(PDF)
2063:(PDF)
1385:-zone
625:getzi
599:Latin
507:genus
2792:GBIF
2784:67KY
2540:1309
1691:and
801:and
789:and
777:and
704:and
520:and
366:Meek
274:Type
270:Hall
52:Preκ
2779:CoL
2643:doi
2631:102
2559:432
2520:409
2498:doi
2408:212
2386:doi
2238:doi
2181:doi
1861:S0.
1549:).
1461:).
1415:).
1124:or
509:of
2868::
2846::
2833::
2820::
2807::
2794::
2781::
2766::
2751::
2641:,
2629:,
2578:12
2576:,
2557:,
2538:,
2518:,
2496:,
2484:,
2454:^
2446:81
2444:,
2427:67
2425:,
2406:,
2384:,
2374:49
2372:,
2356:^
2348:51
2346:,
2334:^
2324:,
2320:,
2302:^
2294:63
2292:,
2266:^
2252:.
2244:.
2236:.
2226:69
2224:.
2195:.
2187:.
2179:.
2169:72
2167:.
2137:^
2115:21
2113:.
2109:.
2071:45
2069:.
2065:.
2024:^
2005:β
1988:β
1971:β
1965:10
1954:β
1936:β
1898:β
1881:β
1863:β
1845:β
1827:β
1779:β
1732:β
1682:.
1457:,
1445:,
1441:,
1342:=
1331:=
1320:=
1309:=
1298:=
1287:=
1276:=
1265:=
1254:=
1243:=
1232:=
1221:=
1210:=
1199:=
1188:=
1177:=
1166:=
1155:=
1144:=
1133:=
1118:=
1107:=
1096:=
1085:=
1074:=
1063:=
1052:=
1041:=
1032:=
977:=
966:=
955:=
944:=
935:=
924:=
902:=
891:=
880:=
869:=
858:=
829:=
818:=
773:,
769:,
765:,
539:.
486:,
450:,
446:,
442:,
438:,
434:,
430:,
386:,
355:,
328:,
324:,
129:,
102:Pg
2645::
2637::
2500::
2492::
2486:5
2388::
2380::
2326:3
2260:.
2240::
2232::
2203:.
2183::
2175::
2131:.
2100:"
2087:.
1999:-
1982:-
1947:-
1929:9
1919:-
1909:8
1892:-
1874:7
1856:-
1838:6
1821:-
1810:5
1800:-
1790:4
1773:-
1763:3
1753:-
1743:2
1726:-
1716:1
761:(
710:.
667:.
376:(
276:)
268:(
237:β
224:β
211:β
198:β
185:β
107:N
97:K
92:J
87:T
82:P
77:C
72:D
67:S
62:O
57:κ
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
