934:
979:
949:
964:
994:
127:
1009:
1031:
1349:
353:
with round to short egg-shaped shells covered with many fine radial ridges (or costae). Growth lines form perpendicular to the costae and are spaced approximately 2 to 3 times further apart than the costae.. The pedunculate valve is slightly convex, but oftentimes levels out or becomes slightly
1008:
1704:
358:). The brachial valve is highly convex. Neither valve contains an interarea (a flat area bordering the hinge line, approximately perpendicular with the rest of the valve).
1449:
1444:
1256:
933:
1684:
978:
1269:
948:
963:
1434:
1390:
993:
1699:
1659:
1439:
1424:
1230:
1729:
1709:
1669:
1499:
1429:
1409:
1629:
1141:
1694:
1649:
1714:
1679:
1674:
1719:
1664:
1149:
1144:. Vol. Part H., Volume 1 and 2. Boulder, Colorado/Lawrence, Kansas: Geological Society of America/University of Kansas Press.
1724:
1459:
1634:
1614:
1549:
1086:
1654:
1639:
1559:
1519:
1464:
1419:
1414:
1383:
1164:
1619:
1569:
1494:
126:
1689:
1644:
1624:
1579:
1574:
1534:
1514:
1504:
1479:
1474:
1469:
1609:
1599:
1594:
1584:
1564:
1554:
1509:
1484:
1454:
1734:
1604:
1544:
1539:
1524:
1489:
1589:
1529:
1376:
1112:
1326:
512:
1183:
1295:
1313:
685:
674:
740:
399:
762:
1036:
784:
718:
567:
490:
457:
751:
707:
663:
626:
501:
431:
828:
817:
545:
395:
320:
260:
142:
729:
615:
589:
556:
446:
203:
1300:
806:
795:
696:
534:
523:
216:
1282:
1261:
1145:
1082:
1017:
sp.; Couvinian (Middle
Devonian); El Pical, Leon, Spain. Eroded to show spiralia on the right.
773:
637:
600:
578:
1360:
1287:
1348:
256:
177:
1403:
919:
899:
887:
479:
468:
383:
84:
45:
1221:
1243:
1215:
1168:
1118:
875:
59:
1206:
1356:
1026:
907:
850:
652:
418:
was established in the 18th century, many species have since been reassigned.
379:
355:
350:
165:
104:
69:
41:
1274:
839:
391:
367:
109:
53:
17:
1200:
403:
375:
371:
363:
190:
99:
94:
79:
74:
64:
1321:
1235:
911:
903:
895:
891:
242:
114:
89:
1248:
915:
153:
1177:
1308:
1181:
1053:
386:, approximately from 449 to 336 Ma. A proposed new species,
354:
concave toward the anterior margin (opposite the hinge and
362:
had a large geographic range and occurred from the late
1364:
1081:. Geological Society of America Memoirs. Vol. 14.
1190:
1384:
1079:Brachiopoda of the Independence Shale of Iowa
8:
420:
1705:Paleozoic life of the Northwest Territories
870:Organic compounds may be preserved in some
378:). Other sources expand the range from the
1391:
1377:
1178:
1131:
1129:
1127:
1108:
1106:
1104:
1102:
1100:
1098:
125:
31:
1044:
929:
874:fossils. However, only the more stable
1450:Paleozoic brachiopods of South America
1445:Paleozoic brachiopods of North America
1142:Treatise on Invertebrate Paleontology
249:
7:
1345:
1343:
1327:A7042F49-90A3-4C95-BDEA-A5AEF94941F2
1314:0D0EC59E-4DF0-C4F5-10B7-D20B91CD8BF9
1052:Paleobiodiversity in Baltoscandia.
1685:Paleozoic life of British Columbia
1363:. You can help Knowledge (XXG) by
25:
1435:Paleozoic brachiopods of Oceania
1347:
1029:
1007:
992:
977:
962:
947:
932:
1700:Paleozoic life of New Brunswick
1660:Fossils of Georgia (U.S. state)
1440:Paleozoic brachiopods of Europe
1425:Paleozoic brachiopods of Africa
878:tend to be preserved in older
557:Nalivkinia gruenwaldtiaeformis
1:
1730:Fossil taxa described in 1828
1710:Paleozoic life of Nova Scotia
1670:Paleontology in New Hampshire
1500:Fossils of the Czech Republic
1430:Paleozoic brachiopods of Asia
1410:Prehistoric brachiopod genera
1054:"Atrypa (Atrypa) reticularis"
1630:Fossils of the United States
675:Antirhynchonella linguifera
1751:
1695:Paleozoic life of Manitoba
1650:Silurian first appearances
1342:
752:Pectorhyncha obtusiplicata
1715:Paleozoic life of Nunavut
1680:Paleozoic life of Alberta
1675:Paleozoic life of Ontario
882:fossils. In specimens of
785:Pleiopleurina pleiopleura
763:Costellirostra peculiaris
627:Rhynchotrema increbescens
568:Parastrophina hemiplicata
326:
319:
248:
241:
143:Scientific classification
141:
133:
124:
34:
1720:Paleozoic life of Quebec
1665:Jeffersonville Limestone
1077:M.A. Stainbrook (1945).
480:Eodictyonella coralifera
469:Camarotoechia congregata
1725:Paleozoic life of Yukon
807:Zygospira recurvirostra
616:Spinatrypa occidentalis
447:Spinatrypa occidentalis
137:, 26mm, Eifel, Germany
1460:Fossils of Afghanistan
1359:-related article is a
579:Eocoelia hemisphaerica
552:A. gruenwaldtiaeformis
1635:Fossils of Uzbekistan
1615:Fossils of Tajikistan
1550:Fossils of Kazakhstan
1296:Paleobiology Database
1165:Floresta Series Fauna
513:Rensselaeria elongata
491:Plagiorhyncha glassii
1655:Frasnian extinctions
1640:Fossils of Venezuela
1560:Fossils of Lithuania
1520:Fossils of Greenland
1465:Fossils of Australia
1420:Devonian brachiopods
1415:Silurian brachiopods
1136:Moore, R.C. (1965).
719:Whitfieldella nitida
458:Felinotoechia astuta
1620:Fossils of Thailand
1570:Fossils of Mongolia
1495:Fossils of Colombia
1037:Paleontology portal
862:Organic content of
829:Cyclocoelia sordida
818:Charionella scitula
708:Hisingerella nitens
638:Vagrania kolymensis
546:Leptocoelia propria
390:, was found in the
27:Genus of brachiopod
1690:Floresta Formation
1645:Fossils of Vietnam
1625:Fossils of Ukraine
1580:Fossils of Myanmar
1575:Fossils of Morocco
1535:Fossils of Ireland
1515:Fossils of Germany
1505:Fossils of Estonia
1480:Fossils of Belgium
1475:Fossils of Belarus
1470:Fossils of Austria
890:(Lower Silurian),
884:Atrypa reticularis
851:Pentagonia peersii
730:Lycophoria nucella
590:Hircinisca hircina
502:Protorhyncha dubia
432:Pentamerella arata
410:Reassigned species
396:Floresta Formation
268:A. dzwinogrodensis
264:Anemia reticularis
135:Atrypa reticularis
1610:Fossils of Sweden
1600:Fossils of Russia
1595:Fossils of Poland
1585:Fossils of Norway
1565:Fossils of Mexico
1555:Fossils of Latvia
1510:Fossils of France
1485:Fossils of Canada
1455:Devonian Colombia
1372:
1371:
1337:
1336:
1283:Open Tree of Life
1184:Taxon identifiers
922:have been found.
859:
858:
697:Zygospira modesta
664:Stricklandia lens
653:Meristella laevis
342:
341:
333:
313:
306:
299:
292:
285:
278:
270:
16:(Redirected from
1742:
1735:Brachiopod stubs
1605:Fossils of Spain
1545:Fossils of Japan
1540:Fossils of Italy
1525:Fossils of India
1490:Fossils of China
1393:
1386:
1379:
1351:
1344:
1330:
1329:
1317:
1316:
1304:
1303:
1291:
1290:
1278:
1277:
1265:
1264:
1252:
1251:
1239:
1238:
1226:
1225:
1224:
1211:
1210:
1209:
1179:
1172:
1162:
1156:
1155:
1133:
1122:
1110:
1093:
1092:
1074:
1068:
1067:
1065:
1064:
1049:
1039:
1034:
1033:
1032:
1011:
1000:Atrypa devoniana
996:
987:, posterior view
985:Atrypa devoniana
981:
970:Atrypa devoniana
966:
957:, brachial valve
955:Atrypa devoniana
951:
940:Atrypa devoniana
936:
840:Meristina tumida
802:A. recurvirostra
796:Atrypella prunum
774:Dicamara plebeia
747:A. obtusiplicata
686:Eatonia medialis
601:Parazyga hirsuta
574:A. hemisphaerica
535:Triplesia extans
524:Protozyga exigua
421:
331:
312:
305:
298:
291:
284:
276:
255:Linnaeus, 1758 (
254:
129:
119:
56:
40:Temporal range:
32:
21:
1750:
1749:
1745:
1744:
1743:
1741:
1740:
1739:
1590:Fossils of Peru
1530:Fossils of Iran
1400:
1399:
1398:
1397:
1340:
1338:
1333:
1325:
1320:
1312:
1307:
1299:
1294:
1286:
1281:
1273:
1268:
1260:
1255:
1247:
1242:
1234:
1229:
1220:
1219:
1214:
1205:
1204:
1199:
1186:
1176:
1175:
1163:
1159:
1152:
1135:
1134:
1125:
1111:
1096:
1089:
1076:
1075:
1071:
1062:
1060:
1051:
1050:
1046:
1035:
1030:
1028:
1025:
1018:
1012:
1003:
997:
988:
982:
973:
972:, anterior view
967:
958:
952:
943:
942:, pedicle valve
937:
928:
868:
741:Glassia obovata
622:A. increbescens
412:
380:Late Ordovician
370:) to the early
296:A. oklahomensis
237:
234:
233:
219:
206:
193:
180:
168:
156:
120:
118:
117:
112:
107:
102:
97:
92:
87:
82:
77:
72:
67:
62:
51:
50:
48:
42:Late Ordovician
38:
28:
23:
22:
15:
12:
11:
5:
1748:
1746:
1738:
1737:
1732:
1727:
1722:
1717:
1712:
1707:
1702:
1697:
1692:
1687:
1682:
1677:
1672:
1667:
1662:
1657:
1652:
1647:
1642:
1637:
1632:
1627:
1622:
1617:
1612:
1607:
1602:
1597:
1592:
1587:
1582:
1577:
1572:
1567:
1562:
1557:
1552:
1547:
1542:
1537:
1532:
1527:
1522:
1517:
1512:
1507:
1502:
1497:
1492:
1487:
1482:
1477:
1472:
1467:
1462:
1457:
1452:
1447:
1442:
1437:
1432:
1427:
1422:
1417:
1412:
1402:
1401:
1396:
1395:
1388:
1381:
1373:
1370:
1369:
1352:
1335:
1334:
1332:
1331:
1318:
1305:
1292:
1279:
1266:
1253:
1240:
1227:
1212:
1196:
1194:
1188:
1187:
1182:
1174:
1173:
1157:
1150:
1123:
1094:
1087:
1069:
1058:fossiilid.info
1043:
1042:
1041:
1040:
1024:
1021:
1020:
1019:
1013:
1006:
1004:
1002:, lateral view
998:
991:
989:
983:
976:
974:
968:
961:
959:
953:
946:
944:
938:
931:
927:
924:
888:Wenlock Shales
867:
860:
857:
856:
855:
854:
843:
832:
821:
810:
799:
788:
780:A. pleiopleura
777:
766:
755:
744:
733:
722:
711:
700:
689:
678:
667:
656:
643:
642:
641:
630:
619:
604:
593:
582:
571:
563:A. hemiplicata
560:
549:
541:A. flabellites
538:
527:
516:
505:
494:
483:
472:
461:
450:
435:
411:
408:
372:Upper Devonian
364:Lower Silurian
349:is a genus of
340:
339:
332:Phillips, 1841
324:
323:
317:
316:
315:
314:
307:
300:
293:
286:
279:
277:Webster, 1921
271:
252:A. reticularis
246:
245:
239:
238:
235:
227:
225:
221:
220:
214:
212:
208:
207:
201:
199:
195:
194:
188:
186:
182:
181:
178:Rhynchonellata
176:
174:
170:
169:
164:
162:
158:
157:
152:
150:
146:
145:
139:
138:
131:
130:
122:
121:
113:
108:
103:
98:
93:
88:
83:
78:
73:
68:
63:
58:
57:
39:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
1747:
1736:
1733:
1731:
1728:
1726:
1723:
1721:
1718:
1716:
1713:
1711:
1708:
1706:
1703:
1701:
1698:
1696:
1693:
1691:
1688:
1686:
1683:
1681:
1678:
1676:
1673:
1671:
1668:
1666:
1663:
1661:
1658:
1656:
1653:
1651:
1648:
1646:
1643:
1641:
1638:
1636:
1633:
1631:
1628:
1626:
1623:
1621:
1618:
1616:
1613:
1611:
1608:
1606:
1603:
1601:
1598:
1596:
1593:
1591:
1588:
1586:
1583:
1581:
1578:
1576:
1573:
1571:
1568:
1566:
1563:
1561:
1558:
1556:
1553:
1551:
1548:
1546:
1543:
1541:
1538:
1536:
1533:
1531:
1528:
1526:
1523:
1521:
1518:
1516:
1513:
1511:
1508:
1506:
1503:
1501:
1498:
1496:
1493:
1491:
1488:
1486:
1483:
1481:
1478:
1476:
1473:
1471:
1468:
1466:
1463:
1461:
1458:
1456:
1453:
1451:
1448:
1446:
1443:
1441:
1438:
1436:
1433:
1431:
1428:
1426:
1423:
1421:
1418:
1416:
1413:
1411:
1408:
1407:
1405:
1394:
1389:
1387:
1382:
1380:
1375:
1374:
1368:
1366:
1362:
1358:
1353:
1350:
1346:
1341:
1328:
1323:
1319:
1315:
1310:
1306:
1302:
1297:
1293:
1289:
1284:
1280:
1276:
1271:
1267:
1263:
1258:
1254:
1250:
1245:
1241:
1237:
1232:
1228:
1223:
1217:
1213:
1208:
1202:
1198:
1197:
1195:
1193:
1189:
1185:
1180:
1170:
1166:
1161:
1158:
1153:
1151:0-8137-3015-5
1147:
1143:
1139:
1132:
1130:
1128:
1124:
1120:
1116:
1115:
1109:
1107:
1105:
1103:
1101:
1099:
1095:
1090:
1084:
1080:
1073:
1070:
1059:
1055:
1048:
1045:
1038:
1027:
1022:
1016:
1010:
1005:
1001:
995:
990:
986:
980:
975:
971:
965:
960:
956:
950:
945:
941:
935:
930:
925:
923:
921:
920:aspartic acid
917:
913:
909:
905:
901:
900:glutamic acid
897:
893:
889:
885:
881:
877:
873:
865:
861:
853:
852:
847:
846:A. unisulcata
844:
842:
841:
836:
833:
831:
830:
825:
822:
820:
819:
814:
811:
809:
808:
803:
800:
798:
797:
792:
789:
787:
786:
781:
778:
776:
775:
770:
767:
765:
764:
759:
758:A. peculiaris
756:
754:
753:
748:
745:
743:
742:
737:
734:
732:
731:
726:
723:
721:
720:
715:
712:
710:
709:
704:
701:
699:
698:
693:
690:
688:
687:
682:
679:
677:
676:
671:
670:A. linguifera
668:
666:
665:
660:
657:
655:
654:
649:
646:
645:
644:
640:
639:
634:
633:A. kolymensis
631:
629:
628:
623:
620:
618:
617:
612:
608:
605:
603:
602:
597:
594:
592:
591:
586:
583:
581:
580:
575:
572:
570:
569:
564:
561:
559:
558:
553:
550:
548:
547:
542:
539:
537:
536:
531:
528:
526:
525:
520:
517:
515:
514:
509:
506:
504:
503:
498:
495:
493:
492:
487:
484:
482:
481:
476:
475:A. coralifera
473:
471:
470:
465:
464:A. congregata
462:
460:
459:
454:
451:
449:
448:
443:
439:
436:
434:
433:
428:
425:
424:
423:
422:
419:
417:
409:
407:
405:
401:
397:
393:
389:
385:
384:Carboniferous
381:
377:
373:
369:
365:
361:
357:
352:
348:
347:
338:
337:
330:
325:
322:
318:
311:
308:
304:
303:A. oneidensis
301:
297:
294:
290:
287:
283:
280:
275:
272:
269:
265:
262:
258:
253:
250:
247:
244:
240:
232:
231:
226:
223:
222:
218:
213:
210:
209:
205:
200:
197:
196:
192:
187:
184:
183:
179:
175:
172:
171:
167:
163:
160:
159:
155:
151:
148:
147:
144:
140:
136:
132:
128:
123:
116:
111:
106:
101:
96:
91:
86:
81:
76:
71:
66:
61:
55:
52:449–336
47:
46:Carboniferous
43:
37:
33:
30:
19:
1365:expanding it
1354:
1339:
1191:
1160:
1137:
1113:
1078:
1072:
1061:. Retrieved
1057:
1047:
1014:
999:
984:
969:
954:
939:
883:
879:
871:
869:
863:
849:
845:
838:
834:
827:
823:
816:
812:
805:
801:
794:
790:
783:
779:
772:
768:
761:
757:
750:
746:
739:
735:
728:
724:
717:
713:
706:
702:
695:
691:
684:
680:
673:
669:
662:
658:
651:
647:
636:
632:
625:
621:
614:
611:occidentalis
610:
606:
599:
595:
588:
584:
577:
573:
566:
562:
555:
551:
544:
540:
533:
529:
522:
518:
511:
507:
500:
496:
489:
485:
478:
474:
467:
463:
456:
452:
445:
442:occidentalis
441:
437:
430:
426:
415:
413:
387:
359:
345:
344:
343:
335:
328:
327:
309:
302:
295:
288:
281:
274:A. devoniana
273:
267:
263:
251:
236:Dalman, 1828
229:
228:
134:
35:
29:
18:Atrypa parva
1244:iNaturalist
1216:Wikispecies
1169:Fossilworks
1138:Brachiopoda
1119:Fossilworks
876:amino acids
681:A. medialis
508:A. elongata
486:A. depressa
336:Mikrothyris
329:Cleiothyris
289:A. nevadana
166:Brachiopoda
1404:Categories
1357:brachiopod
1088:0813710146
1063:2012-03-22
1023:References
908:isoleucine
824:A. sordida
813:A. scitula
769:A. plebeia
736:A. obovata
725:A. nucella
692:A. modesta
607:A. hystrix
596:A. hirsuta
585:A. hircina
388:A. harrisi
351:brachiopod
310:A. putilla
282:A. jukesii
204:Atripidina
198:Suborder:
886:from the
835:A. tumida
791:A. prunum
714:A. nitida
703:A. nitens
648:A. laevis
530:A. extans
519:A. exigua
453:A. astuta
438:A. aspera
392:trilobite
368:Telychian
217:Atrypidae
149:Kingdom:
1207:Q1979955
1201:Wikidata
497:A. dubia
427:A. arata
404:Colombia
376:Frasnian
321:Synonyms
211:Family:
191:Atrypida
161:Phylum:
154:Animalia
1322:ZooBank
1288:4971599
1262:1006170
1236:4572358
926:Gallery
912:proline
904:leucine
896:glycine
892:alanine
866:fossils
659:A. lens
356:pedicle
243:Species
224:Genus:
185:Order:
173:Class:
1275:atrypa
1249:480141
1222:Atrypa
1192:Atrypa
1148:
1114:Atrypa
1085:
1015:Atrypa
918:, and
916:valine
880:Atrypa
872:Atrypa
864:Atrypa
416:Atrypa
400:Boyacá
394:-rich
360:Atrypa
346:Atrypa
230:Atrypa
36:Atrypa
1355:This
1309:Plazi
1301:29779
1257:IRMNG
609:var.
440:var.
1361:stub
1270:MNHN
1231:GBIF
1171:.org
1146:ISBN
1121:.org
1083:ISBN
257:type
60:PreꞒ
1167:at
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