456:
326:
149:
722:
129:
1411:
403:
355:) is long, reaching the frontal margin. It may have faint lateral glabellar furrows or be smooth, and sometimes an inconspicuous tubercle is present just in front of the hardly discernible occipital ring. The natural fracture lines (sutures) of the head run along the top edges of the compound eye. From the back of the eye these cut to the back of the head (or is said to be
388:
The pygidium is rounded, and has a long axis with concave, posteriorly parallel sides. Some rings may be faintly defined anteriorly and the axis dissolves in the postaxial field. The areas outside the axis (or pleural fields) are smooth or very faintly ribbed.
363:) are separated from each other anteriorly by a suture at the midline. The corner between the side and the back of the cephalon (or genal angle) is rounded or (in a few species) pointed into spines. Eyes
344:) are semicircular and without a border (defined by a furrow or a change in convexity parallel to its margin). The cephalon is of approximately equal size as the pygidium (or
1098:
378:
side, are more or less protruding, and the posterior part is forked with two triangular teeth. The reflexed margin of the exoskeleton (or doublure) is broad.
1032:
1521:
856:
790:
1010:
977:
1076:
1065:
1021:
845:
746:
367:, commonly more or less conical, short or moderate in length. In some evolution lines, the visual surface of the eye is raised on a stalk.
1354:. Vol. Part O. Boulder, Colorado/Lawrence, Kansas: Geological Society of America/University of Kansas Press. pp. O446 and O468.
1610:
1600:
1109:
1054:
988:
933:
922:
878:
867:
779:
1423:
1260:. Vol. Part O. Boulder, Colorado/Lawrence, Kansas: Geological Society of America/University of Kansas Press. pp. O334–O436.
1580:
1508:
757:
1630:
1605:
375:
1359:
1351:
1265:
1257:
1155:
as published by
Brongniart in Desmarest, 1817, and to designate a type species in harmony with general usage for the genus
1432:
442:
17:
1437:
1318:
360:
424:
1388:
Osmólska, H. (1970). "Revision of non-cyrtosymbolinid trilobites from the
Tournaisian-Namurian of Eurasia".
294:
1585:
1348:
Arthropoda I - Arthropoda
General Features, Proarthropoda, Euarthropoda General Features, Trilobitomorpha
1254:
Arthropoda I - Arthropoda
General Features, Proarthropoda, Euarthropoda General Features, Trilobitomorpha
1595:
1590:
650:
1287:
Wahlenberg (Trilobita) (Official List Of
Specific Names No. 1595): Date To Be Cited As [1818]"
736:
was established early, many species have since been reassigned to genera in various trilobite orders.
148:
1575:
420:
385:) consists of 8 segments. Furrows in the parts outside the axis (or pleural furrows) are diagonal.
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413:
1552:
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1218:
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455:
8:
590:
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143:
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1261:
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356:
1280:
1226:
1181:
1131:
511:
470:
325:
256:
1500:
1203:
Martin Stein & Jan
Bergström (2010). "Some lower Middle Ordovician species of
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812:
476:
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341:
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1471:
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721:
492:
248:
1480:
1043:
999:
944:
61:
55:
128:
1513:
955:
911:
427: in this section. Unsourced material may be challenged and removed.
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106:
71:
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160:
111:
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402:
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889:
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206:
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81:
76:
66:
1151:"Proposed use of the Plenary Powers to suppress the generic name
966:
305:
of northwestern Europe (Sweden, Estonia, Saint
Petersburg Area).
271:
116:
91:
31:
1202:
1087:
382:
170:
51:
1134:. In Brongniart, Alexandre; Desmarest, Anselme-Gaëtan (eds.).
900:
1438:
Schematic of the relationships between the different species
1281:
International
Commission on Zoological Nomenclature (1982).
1433:
713:
301:
that is known from the Lower (upper Arenig) and Middle
1314:
The Texan
Permian and Its Mesozoic Types of Fossils
1186:
Nova Acta Regiae Societatis Scientiarum Upsaliensis
728:
showing the broad doublure and the forked hypostome
1567:
1132:"Des corps organisés fossiles nommés trilobites"
313:The generic name is derived from the Greek word
1173:
1142:
1123:
381:The articulate midlength part of the body (or
351:The central raised area of the cephalon (or
359:) and not to the side. The free cheeks (or
1383:
1381:
1379:
1377:
1375:
1373:
1371:
1339:
1245:
1179:
127:
1148:
1136:Histoire naturelle des crustacés fossiles
1129:
443:Learn how and when to remove this message
1387:
720:
454:
324:
1368:
1163:The Bulletin of Zoological Nomenclature
14:
1568:
1138:. Paris: L.-T. Cellot. pp. 17–25.
370:The lateral corners of the palate (or
1447:
1446:
1352:Treatise on Invertebrate Paleontology
1345:
1307:
1258:Treatise on Invertebrate Paleontology
1251:
425:adding citations to reliable sources
396:
1291:Bulletin of Zoological Nomenclature
1159:Brongniart, 1822 (Class Trilobita)"
24:
1611:Taxa named by Alexandre Brongniart
1601:Early Ordovician first appearances
25:
1642:
1403:
1409:
401:
147:
59:
1581:Ordovician trilobites of Europe
1319:United States Geological Survey
1182:"Petrificata telluris svecanae"
714:Species previously assigned to
412:needs additional citations for
1301:
1274:
1196:
320:
13:
1:
1631:Fossil taxa described in 1822
1606:Middle Ordovician extinctions
1180:Wahlenberg, Georgio (1821) .
1130:Brongiart, Alexandre (1822).
1117:
585:Lessnikova in Balashova, 1953
569:Lessnikova in Balashova, 1953
1231:10.1080/11035897.2010.486478
308:
7:
27:Extinct genus of trilobites
10:
1647:
1207:(Trilobita) from Sweden".
1149:Jaanusson, Valdar (1956).
392:
29:
1455:
1285:Entomostracites punctatus
1033:Odontocephalus selenourus
791:Eohomalonotus brongniarti
277:
270:
254:
247:
144:Scientific classification
142:
135:
126:
41:
1011:Plectasaphus plicicostis
857:Platycalymene duplicatus
802:Pseudogygites canadensis
317:, meaning "indistinct."
257:Entomostracites expansus
30:Not to be confused with
1390:Palaeontologia Polonica
1309:White, Charles Abiathar
1044:Eocyphinium seminiferum
1000:Symphysurus palpebrosus
747:Ptychopyge angustifrons
1334:charles stokes fossil.
912:Phillipsia gemmulifera
835:Ogygiocarella debuchii
729:
464:
333:
1548:Paleobiology Database
1099:Phillipsia truncatula
1022:Ogmasaphus praetextus
945:Odontochile hausmanni
724:
458:
340:) and tailshield (or
328:
1346:Moore, R.C. (1959).
1252:Moore, R.C. (1959).
1077:Warburgella stokesii
1055:Tretaspis seticornis
978:Neoprobolium nasutus
495:paradoxus α expansus
421:improve this article
1223:2010GFF...132..105S
956:Asaphellus homfrayi
934:Bollandia globiceps
923:Bollandia globiceps
868:Bollandia eichwaldi
824:Ogyginus corndensis
780:Basilicus barrandei
374:), visual from the
336:The headshield (or
1586:Fossils of Estonia
1110:Basilicus tyrannus
989:Bollandia obsoleta
846:Xenasaphus devexus
769:Coronura aspectans
730:
700:(Toernquist, 1884)
639:A. pachyophthalmus
465:
334:
1596:Fossils of Sweden
1591:Fossils of Russia
1563:
1562:
1535:Open Tree of Life
1449:Taxon identifiers
1424:drawings of many
1361:978-0-8137-3015-8
1283:"Direction 111 -
1267:978-0-8137-3015-8
1088:Acaste subcaudata
1066:Homalopyge stacyi
967:Stygina latifrons
890:Pliomera fischeri
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619:Neiszkowski, 1859
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18:Asaphus lepidurus
16:(Redirected from
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1414:Data related to
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879:Bathyurus extans
758:Nileus armadillo
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669:Lessnikova, 1949
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646:A. platycephalus
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475:(Wahlenberg, ) (
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405:
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297:) is a genus of
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47:Temporal range:
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21:
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1576:Asaphida genera
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1507:
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1401:
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1306:
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1250:
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1201:
1197:
1178:
1174:
1147:
1143:
1128:
1124:
1120:
1115:
929:A. granuliferus
907:A. gemmuliferus
901:Niobe frontalis
742:A. angustifrons
719:
711:
631:A. neiszkowskii
561:Jaanusson, 1953
486:Entomostracites
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15:
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5:
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1420:at Wikispecies
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1404:External links
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1217:(2): 105–116.
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1121:
1119:
1116:
1114:
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1102:
1094:A. truncatulus
1091:
1083:A. subcaudatus
1080:
1069:
1058:
1047:
1039:A. seminiferus
1036:
1025:
1014:
1006:A. plicicostis
1003:
995:A. palpebrosus
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591:A. kowalewskii
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566:A. intermedius
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1079:
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1051:
1050:A. seticornis
1048:
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1045:
1040:
1037:
1035:
1034:
1029:
1028:A. selenourus
1026:
1024:
1023:
1018:
1017:A. praetextus
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1001:
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869:
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852:A. duplicatus
850:
848:
847:
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839:
837:
836:
831:
828:
826:
825:
820:
819:A. corndensis
817:
815:
814:
809:
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804:
803:
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797:A. canadensis
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749:
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740:
739:
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735:
732:As the genus
727:
723:
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706:
703:
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690:
687:
683:
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675:
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667:
664:
661:Schmidt, 1898
659:
656:
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637:
634:Schmidt, 1898
632:
629:
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622:
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611:Schmidt, 1898
609:
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601:
598:
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588:
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564:
559:
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553:Schmidt, 1898
551:
548:
543:
540:
535:
532:
527:
524:
521:Schmidt, 1898
519:
516:
513:
509:
506:
501:
500:A. acuminatus
498:
496:
494:
489:
487:
483:
478:
473:
472:
468:
467:
463:
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457:
447:
444:
436:
426:
422:
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415:
410:This section
408:
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379:
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368:
366:
362:
358:
357:opisthoparian
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53:
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40:
37:
33:
19:
1456:
1425:
1416:
1393:
1389:
1347:
1341:
1333:
1326:. Retrieved
1313:
1303:
1294:
1290:
1284:
1276:
1253:
1247:
1214:
1208:
1204:
1198:
1189:
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1175:
1166:
1162:
1156:
1152:
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1135:
1125:
1108:
1104:
1097:
1093:
1086:
1082:
1075:
1071:
1064:
1060:
1053:
1049:
1042:
1038:
1031:
1027:
1020:
1016:
1009:
1005:
998:
994:
987:
984:A. obsoletus
983:
976:
972:
965:
962:A. latifrons
961:
954:
950:
943:
940:A. hausmanni
939:
932:
928:
921:
918:A. globiceps
917:
910:
906:
899:
896:A. frontalis
895:
888:
884:
877:
873:
866:
863:A. eichwaldi
862:
855:
851:
844:
840:
833:
829:
822:
818:
811:
807:
800:
796:
789:
785:
778:
775:A. barrandei
774:
767:
764:A. aspectans
763:
756:
753:A. armadillo
752:
745:
741:
733:
731:
725:
715:
704:
696:
688:
681:
677:Dalman, 1827
673:
666:A. punctatus
665:
657:
645:
638:
630:
623:
616:A. lepidurus
615:
607:
603:Pander, 1830
599:
595:Lawrow, 1856
589:
582:A. kotlukovi
581:
573:
565:
558:A. ingrianus
557:
549:
541:
534:A. eichwaldi
533:
529:Pander, 1830
525:
518:A. broeggeri
517:
508:A. bottnicus
507:
499:
493:Entomolithus
491:
484:
477:type species
469:
459:
439:
430:
419:Please help
414:verification
411:
387:
380:
369:
350:
335:
329:
314:
312:
289:
288:
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255:
249:Type species
233:
232:
136:
42:
36:
1626:Darriwilian
1481:Wikispecies
1169:(3): 90–96.
1105:A. tyrannus
1072:A. stokesii
951:A. homfrayi
885:A. fischeri
830:A. debuchii
726:A. expansus
697:A. vicarius
682:A. robustus
674:A. raniceps
658:A. plautini
526:A. cornutus
503:Boeck, 1838
471:A. expansus
330:A. plautini
321:Description
56:Darriwilian
1570:Categories
1321:. p.
1118:References
973:A. nasutus
841:A. devexus
808:A. cawdori
692:Jaanusson
689:A. sulvevi
574:A. knyrkoi
545:(Ivantsov)
542:A. heckeri
365:holochroal
361:librigenae
332:, enrolled
303:Ordovician
299:trilobites
263:Wahlenberg
240:Brongniart
181:Arthropoda
1621:Dapingian
1239:129705036
1061:A. stacyi
874:A. extans
512:Jaanusson
372:hypostome
346:isopygous
309:Etymology
295:/ˈæsæfʌs/
220:Asaphidae
194:Trilobita
167:Kingdom:
161:Eukaryota
1466:Wikidata
1328:26 April
1311:(1891).
1192:: 25–27.
624:A. minor
600:A. latus
577:Schmidt
550:A. holmi
537:Schmidt
488:expansus
482:synonyms
353:glabella
342:pygidium
338:cephalon
280:see text
213:Family:
207:Asaphida
177:Phylum:
171:Animalia
157:Domain:
137:A. latus
1540:5129136
1527:1420655
1514:4635764
1487:Asaphus
1472:Q778590
1457:Asaphus
1428:species
1426:Asaphus
1417:Asaphus
1219:Bibcode
1205:Asaphus
1157:Asaphus
1153:Asaphus
734:Asaphus
716:Asaphus
653:, 1824)
393:Species
376:ventral
315:asaphes
290:Asaphus
272:Species
234:Asaphus
226:Genus:
200:Order:
187:Class:
43:Asaphus
32:Asaphes
1616:Floian
1358:
1264:
1237:
651:Stokes
383:thorax
242:, 1822
52:Floian
50:upper
1553:19864
1522:IRMNG
1235:S2CID
1509:GBIF
1501:33L8
1356:ISBN
1330:2018
1262:ISBN
62:PreꞒ
1496:CoL
1227:doi
1215:132
1210:GFF
423:by
348:).
54:to
1572::
1550::
1537::
1524::
1511::
1498::
1483::
1468::
1394:23
1392:.
1370:^
1350:.
1332:.
1323:28
1317:.
1295:39
1293:.
1289:.
1256:.
1233:.
1225:.
1213:.
1188:.
1184:.
1167:12
1165:.
1161:.
1107:=
1096:=
1085:=
1074:=
1063:=
1052:=
1041:=
1030:=
1019:=
1008:=
997:=
986:=
975:=
964:=
953:=
942:=
931:=
920:=
909:=
898:=
887:=
876:=
865:=
854:=
843:=
832:=
821:=
810:=
799:=
788:=
777:=
766:=
755:=
744:=
490:,
265:,
112:Pg
1396:.
1364:.
1297:.
1270:.
1241:.
1229::
1221::
1190:8
649:(
479:)
446:)
440:(
435:)
431:(
417:.
293:(
230:†
217:†
204:†
191:†
117:N
107:K
102:J
97:T
92:P
87:C
82:D
77:S
72:O
67:Ꞓ
34:.
20:)
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