1927:
204:
2500:
2161:
904:
80:
1531:
625:
1372:
365:
756:
1160:
1686:
2332:
497:
1271:
1053:
2623:
2616:
2609:
2929:
2689:
2874:
2799:
2839:
2804:
2879:
2784:
2744:
2844:
2834:
2829:
2809:
2759:
2674:
2794:
2789:
2664:
2884:
2849:
2754:
2729:
2869:
2819:
2774:
2764:
2749:
2739:
2724:
2704:
2679:
2669:
2659:
2889:
2864:
2769:
2709:
2684:
2654:
2644:
2824:
2779:
2719:
2694:
2649:
2854:
2734:
2699:
2859:
2814:
2905:
59:
1926:
1163:
Illustration (lower right, entry 15) of a fossilized shell in front and side views of the
Silurian-Late Devonian brachiopod
2924:
203:
2934:
471:
299:
2001:
462:
333:
1845:
1221:
2601:
2019:
2074:
1898:
1864:
2521:
2129:
1957:
1873:
1827:
907:
Front (left) and right side (right) views of an enrolled fossil of the Middle
Ordovician-Silurian trilobite
2499:
2387:
2137:
2065:
1983:
1818:
2265:
2111:
1965:
1949:
1917:
1653:
1601:
646:
420:
412:
127:
101:
2370:
2352:
2343:
2232:
2093:
1568:
1497:
781:
729:
394:
47:
27:
1881:
2404:
2046:
2038:
1993:
1735:
109:
31:
2160:
2011:
1975:
1909:
1837:
1689:
Life restorations of a male (foreground) and female (background) of the Late
Devonian-Carboniferous
2443:
1727:
1523:
1324:
1237:
1078:
862:
561:
527:
436:
251:
193:
2057:
2121:
1856:
307:
233:
225:
209:
1810:
903:
79:
2029:
1530:
2337:
2314:
2296:
2214:
1505:
1021:
872:
697:
624:
518:
2899:
2563:
2467:
1711:
1371:
797:
444:
169:
2587:
364:
2460:
1136:
569:
428:
1457:
1364:
1197:
1152:
807:
755:
713:
585:
481:
454:
267:
93:
85:
2918:
2555:
2546:
2513:
2505:
2256:
2248:
2189:
1703:
1695:
1637:
1576:
1473:
1464:
1441:
1433:
1045:
933:
917:
909:
838:
688:
638:
630:
609:
357:
291:
243:
1159:
2489:
2103:
1685:
1620:
1584:
1332:
1316:
1263:
1144:
989:
721:
672:
577:
1052:
2435:
2331:
2224:
2197:
1890:
1778:
1754:
1719:
1663:
1629:
1612:
1489:
1449:
1356:
1340:
1248:
1205:
997:
789:
656:
537:
137:
119:
83:
Fossilized calyx and partial stem of the
Devonian-Permian crinoid ("sea lily")
2531:
2453:
2413:
1941:
1932:
1762:
1678:
1552:
1425:
1417:
1409:
1401:
1348:
1308:
1292:
1229:
1173:
1165:
1112:
1070:
1062:
949:
925:
896:
880:
854:
815:
740:
705:
664:
617:
553:
496:
386:
341:
325:
177:
161:
153:
2362:
2324:
2241:
2085:
1787:
1745:
1670:
1592:
1560:
1544:
1536:
1515:
1481:
1385:
1377:
1284:
1276:
1213:
1181:
1128:
1120:
1104:
1029:
981:
973:
965:
957:
888:
846:
830:
823:
748:
601:
593:
510:
502:
378:
370:
72:
1270:
2503:
Mounted fossilized skeleton of the
Pliocene-Pleistocene elephant relative
2427:
2396:
2379:
2174:
2166:
1770:
1645:
1189:
1096:
1088:
1037:
941:
545:
489:
404:
349:
317:
283:
275:
259:
145:
2538:
2474:
2420:
2153:
1795:
1393:
1300:
1013:
773:
765:
680:
185:
1930:
Fossilized shell of the Early
Jurassic-Late Cretaceous marine bivalve
2572:
2306:
2288:
2274:
2206:
1255:
1005:
217:
23:
2498:
2481:
2330:
2281:
2181:
2159:
1925:
1684:
1529:
1370:
1269:
1158:
1051:
902:
754:
623:
495:
363:
202:
78:
50:
records no known occurrences of
Precambrian fossils in Alabama.
35:
2605:
1274:
Life restoration of the Middle-Late
Devonian lobe-finned fish
2632:
Lists of the prehistoric life of the United States by state
207:
Fossilized shell of the
Silurian-Late Devonian brachiopod
628:
Fossilized shells of the Middle-Late
Devonian brachiopod
500:
Fossilized shell of the Late Devonian-Permian brachiopod
1534:
Life restoration of the Late Devonian placoderm fish
1375:
Fossilized tooth of the Carboniferous-Permian shark
759:
Life restoration of the Late Devonian-Carboniferous
2898:
2637:
2588:"Fossilworks: Gateway to the Paleobiology Database"
2586:Various Contributors to the Paleobiology Database.
22:contains the various prehistoric life-forms whose
368:Fossil of the Cambrian-Middle Devonian trilobite
2164:Life restoration of the Pliocene-Holocene camel
2930:Lists of prehistoric life in the United States
2617:
8:
2624:
2610:
2602:
2341:, or American mastodon (right), and a
1056:Life restoration of the Carboniferous
7:
20:list of the prehistoric life of Iowa
60:List of the Paleozoic life of Iowa
14:
2493:– or unidentified comparable form
733:– or unidentified comparable form
466:– or unidentified comparable form
197:– or unidentified comparable form
1936:with a human indicating its size
65:Selected Paleozoic taxa of Iowa
1:
2002:Microcarpolithes hexangulata
2525:– type locality for species
2078:– type locality for species
2069:– type locality for species
2050:– type locality for species
1902:– type locality for species
1868:– type locality for species
1849:– type locality for species
1822:– type locality for species
1605:– type locality for species
1241:– type locality for species
472:Cleiothyridina sublamellosa
300:Camarotoechia chouteauensis
2951:
2033:– type locality for genus
1596:– type locality for genus
57:
2347:, or wooly mammoth (left)
1846:Balmeisporites auriculata
1782:– type locality for genus
692:– type locality for genus
463:Cleiothyridina incrassata
2020:Minerisporites mirabilis
2335:Life restorations of a
2075:Perotrilites convolutus
1899:Coptothyris dakotaensis
1865:Chrysotheca dakotaensis
2522:Stegomastodon aftoniae
2509:
2348:
2266:Euceratherium collinum
2170:
2130:Spermatites ellipticus
2112:Regnellidium diphyllum
1966:Inoceramus prefragilis
1958:Inoceramus perfragilis
1950:Inoceramus ginterensis
1937:
1874:Chrysotheca diskoensis
1828:Arcellites disciformis
1699:
1654:Spirifer louisianensis
1602:Sigournea multidentata
1540:
1381:
1280:
1169:
1066:
913:
769:
647:Cyrtospirifer whitneyi
634:
506:
421:Chonetes illinoisensis
413:Chonetes glenparkensis
374:
213:
128:Agassizodus variabilis
102:Actinocrinites gibsoni
89:
2502:
2388:Microtus paroperarius
2371:Megalonyx jeffersonii
2353:Mammuthus primigenius
2344:Mammuthus primigenius
2334:
2233:Castoroides ohioensis
2163:
2138:Spermatites elongatus
2094:Pilularia globulifera
2066:Perotrilites bursatus
1984:Metengonoceras acutum
1929:
1819:Arcellites crillensis
1688:
1533:
1498:Polygnathus parawebbi
1374:
1273:
1162:
1055:
906:
758:
730:Diplograptus modestus
627:
499:
395:Chomatodus inconstans
367:
206:
82:
48:Paleobiology Database
2925:Paleontology in Iowa
1918:Dunveganoceras pondi
1736:Strophomena erratica
110:Actinocrinites lowei
2444:Paramylodon harlani
2260:– tentative report
1728:Strophomena costata
1238:Naticopsis depressa
1079:Iniopteryx rushlaui
863:Eospirifer radiatus
528:Composita trinuclea
437:Chonetes multicosta
194:Athyris fultonensis
2935:Iowa-related lists
2510:
2349:
2171:
1938:
1749:– tentative report
1700:
1624:– tentative report
1541:
1468:– tentative report
1382:
1281:
1170:
1067:
914:
770:
635:
522:– tentative report
507:
375:
308:Camarotoechia tuta
234:Atrypa reticularus
226:Atrypa reticularis
214:
210:Atrypa reticularis
90:
26:remains have been
2912:
2911:
2338:Mammut americanum
2315:Mammut americanum
2297:Lontra canadensis
2215:Castor canadensis
1882:Chrysotheca levis
1506:Polygnathus xylus
873:Eucalyptocrinites
519:Composita humilis
2942:
2906:Washington, D.C.
2900:Federal district
2626:
2619:
2612:
2603:
2598:
2596:
2594:
2564:Ursus americanus
2405:Mictomys meltoni
2047:Molaspora rugosa
2039:Molaspora lobata
1994:Microcarpolithes
1712:Streptognathodus
798:Eldredgeops rana
445:Chonetes ornatus
170:Archaeogastropod
34:the US state of
2950:
2949:
2945:
2944:
2943:
2941:
2940:
2939:
2915:
2914:
2913:
2908:
2894:
2633:
2630:
2592:
2590:
2585:
2582:
2149:
1805:
570:Crotalocrinites
429:Chonetes logani
67:
62:
56:
44:
12:
11:
5:
2948:
2946:
2938:
2937:
2932:
2927:
2917:
2916:
2910:
2909:
2904:
2902:
2896:
2895:
2893:
2892:
2887:
2882:
2877:
2872:
2867:
2862:
2857:
2852:
2847:
2842:
2840:South Carolina
2837:
2832:
2827:
2822:
2817:
2812:
2807:
2805:North Carolina
2802:
2797:
2792:
2787:
2782:
2777:
2772:
2767:
2762:
2757:
2752:
2747:
2742:
2737:
2732:
2727:
2722:
2717:
2712:
2707:
2702:
2697:
2692:
2687:
2682:
2677:
2672:
2667:
2662:
2657:
2652:
2647:
2641:
2639:
2635:
2634:
2631:
2629:
2628:
2621:
2614:
2606:
2600:
2599:
2581:
2578:
2577:
2576:
2569:
2568:
2567:
2552:
2551:
2550:
2535:
2528:
2527:
2526:
2496:
2495:
2494:
2478:
2471:
2464:
2457:
2449:
2448:
2447:
2431:
2424:
2417:
2410:
2409:
2408:
2393:
2392:
2391:
2376:
2375:
2374:
2358:
2357:
2356:
2320:
2319:
2318:
2302:
2301:
2300:
2285:
2278:
2271:
2270:
2269:
2252:
2245:
2238:
2237:
2236:
2220:
2219:
2218:
2203:
2202:
2201:
2193:
2178:
2157:
2148:
2145:
2144:
2143:
2142:
2141:
2133:
2117:
2116:
2115:
2099:
2098:
2097:
2081:
2080:
2079:
2070:
2053:
2052:
2051:
2042:
2025:
2024:
2023:
2012:Minerisporites
2007:
2006:
2005:
1989:
1988:
1987:
1976:Metengonoceras
1971:
1970:
1969:
1961:
1953:
1923:
1922:
1921:
1910:Dunveganoceras
1905:
1904:
1903:
1887:
1886:
1885:
1877:
1869:
1852:
1851:
1850:
1838:Balmeisporites
1833:
1832:
1831:
1823:
1804:
1801:
1800:
1799:
1791:
1783:
1774:
1766:
1758:
1750:
1741:
1740:
1739:
1731:
1715:
1707:
1682:
1674:
1667:
1659:
1658:
1657:
1641:
1633:
1625:
1616:
1608:
1607:
1606:
1588:
1580:
1572:
1564:
1556:
1548:
1527:
1519:
1511:
1510:
1509:
1501:
1485:
1477:
1469:
1461:
1458:Pleurocystites
1453:
1445:
1437:
1429:
1421:
1413:
1405:
1397:
1389:
1368:
1365:Periechocrinus
1360:
1352:
1344:
1336:
1328:
1320:
1312:
1304:
1296:
1288:
1267:
1259:
1252:
1244:
1243:
1242:
1225:
1217:
1209:
1201:
1198:Michelinoceras
1193:
1185:
1177:
1156:
1153:Marsupiocrinus
1148:
1140:
1132:
1124:
1116:
1108:
1100:
1092:
1084:
1083:
1082:
1049:
1041:
1033:
1025:
1017:
1009:
1001:
993:
985:
977:
969:
961:
953:
945:
937:
929:
921:
900:
892:
884:
876:
868:
867:
866:
850:
842:
834:
827:
819:
811:
808:Ellesmeroceras
803:
802:
801:
785:
777:
752:
744:
736:
735:
734:
717:
714:Dimerocrinites
709:
701:
693:
684:
676:
668:
660:
652:
651:
650:
621:
613:
605:
597:
589:
586:Cyathocrinites
581:
573:
565:
557:
549:
541:
533:
532:
531:
523:
493:
485:
482:Climacograptus
477:
476:
475:
467:
455:Cleiothyridina
450:
449:
448:
440:
432:
424:
416:
400:
399:
398:
382:
361:
353:
345:
337:
329:
321:
313:
312:
311:
303:
287:
279:
271:
268:Bothriocidaris
263:
255:
247:
239:
238:
237:
229:
200:
199:
198:
181:
173:
165:
157:
149:
141:
133:
132:
131:
115:
114:
113:
105:
94:Actinocrinites
86:Actinocrinites
76:
66:
63:
58:Main article:
55:
52:
43:
40:
13:
10:
9:
6:
4:
3:
2:
2947:
2936:
2933:
2931:
2928:
2926:
2923:
2922:
2920:
2907:
2903:
2901:
2897:
2891:
2888:
2886:
2883:
2881:
2880:West Virginia
2878:
2876:
2873:
2871:
2868:
2866:
2863:
2861:
2858:
2856:
2853:
2851:
2848:
2846:
2843:
2841:
2838:
2836:
2833:
2831:
2828:
2826:
2823:
2821:
2818:
2816:
2813:
2811:
2808:
2806:
2803:
2801:
2798:
2796:
2793:
2791:
2788:
2786:
2785:New Hampshire
2783:
2781:
2778:
2776:
2773:
2771:
2768:
2766:
2763:
2761:
2758:
2756:
2753:
2751:
2748:
2746:
2745:Massachusetts
2743:
2741:
2738:
2736:
2733:
2731:
2728:
2726:
2723:
2721:
2718:
2716:
2713:
2711:
2708:
2706:
2703:
2701:
2698:
2696:
2693:
2691:
2688:
2686:
2683:
2681:
2678:
2676:
2673:
2671:
2668:
2666:
2663:
2661:
2658:
2656:
2653:
2651:
2648:
2646:
2643:
2642:
2640:
2636:
2627:
2622:
2620:
2615:
2613:
2608:
2607:
2604:
2589:
2584:
2583:
2579:
2575:
2574:
2570:
2566:
2565:
2560:
2559:
2558:
2557:
2553:
2549:
2548:
2547:Taxidea taxus
2543:
2542:
2541:
2540:
2536:
2534:
2533:
2529:
2524:
2523:
2518:
2517:
2516:
2515:
2514:Stegomastodon
2508:
2507:
2506:Stegomastodon
2501:
2497:
2492:
2491:
2486:
2485:
2484:
2483:
2479:
2477:
2476:
2472:
2470:
2469:
2465:
2463:
2462:
2458:
2456:
2455:
2450:
2446:
2445:
2440:
2439:
2438:
2437:
2432:
2430:
2429:
2425:
2423:
2422:
2418:
2416:
2415:
2411:
2407:
2406:
2401:
2400:
2399:
2398:
2394:
2390:
2389:
2384:
2383:
2382:
2381:
2377:
2373:
2372:
2367:
2366:
2365:
2364:
2359:
2355:
2354:
2346:
2345:
2340:
2339:
2333:
2329:
2328:
2327:
2326:
2321:
2317:
2316:
2311:
2310:
2309:
2308:
2303:
2299:
2298:
2293:
2292:
2291:
2290:
2286:
2284:
2283:
2279:
2277:
2276:
2272:
2268:
2267:
2262:
2261:
2259:
2258:
2257:Euceratherium
2253:
2251:
2250:
2246:
2244:
2243:
2239:
2235:
2234:
2229:
2228:
2227:
2226:
2221:
2217:
2216:
2211:
2210:
2209:
2208:
2204:
2200:
2199:
2194:
2192:
2191:
2190:Canis latrans
2186:
2185:
2184:
2183:
2179:
2177:
2176:
2169:
2168:
2162:
2158:
2156:
2155:
2151:
2150:
2146:
2140:
2139:
2134:
2132:
2131:
2126:
2125:
2124:
2123:
2118:
2114:
2113:
2108:
2107:
2106:
2105:
2100:
2096:
2095:
2090:
2089:
2088:
2087:
2082:
2077:
2076:
2071:
2068:
2067:
2062:
2061:
2060:
2059:
2054:
2049:
2048:
2043:
2041:
2040:
2035:
2034:
2032:
2031:
2026:
2022:
2021:
2016:
2015:
2014:
2013:
2008:
2004:
2003:
1998:
1997:
1996:
1995:
1990:
1986:
1985:
1980:
1979:
1978:
1977:
1972:
1968:
1967:
1962:
1960:
1959:
1954:
1952:
1951:
1946:
1945:
1944:
1943:
1935:
1934:
1928:
1924:
1920:
1919:
1914:
1913:
1912:
1911:
1906:
1901:
1900:
1895:
1894:
1893:
1892:
1888:
1884:
1883:
1878:
1876:
1875:
1870:
1867:
1866:
1861:
1860:
1859:
1858:
1853:
1848:
1847:
1842:
1841:
1840:
1839:
1834:
1830:
1829:
1824:
1821:
1820:
1815:
1814:
1813:
1812:
1807:
1806:
1802:
1798:
1797:
1792:
1790:
1789:
1784:
1781:
1780:
1775:
1773:
1772:
1767:
1765:
1764:
1759:
1757:
1756:
1751:
1748:
1747:
1742:
1738:
1737:
1732:
1730:
1729:
1724:
1723:
1722:
1721:
1716:
1714:
1713:
1708:
1706:
1705:
1704:Stethacanthus
1698:
1697:
1696:Stethacanthus
1692:
1687:
1683:
1681:
1680:
1675:
1673:
1672:
1668:
1666:
1665:
1660:
1656:
1655:
1650:
1649:
1648:
1647:
1642:
1640:
1639:
1638:Sphenothallus
1634:
1632:
1631:
1626:
1623:
1622:
1617:
1615:
1614:
1609:
1604:
1603:
1598:
1597:
1595:
1594:
1589:
1587:
1586:
1581:
1579:
1578:
1577:Scytalocrinus
1573:
1571:
1570:
1565:
1563:
1562:
1557:
1555:
1554:
1549:
1547:
1546:
1539:
1538:
1532:
1528:
1526:
1525:
1520:
1518:
1517:
1512:
1508:
1507:
1502:
1500:
1499:
1494:
1493:
1492:
1491:
1486:
1484:
1483:
1478:
1476:
1475:
1474:Plicochonetes
1470:
1467:
1466:
1465:Pleurotomaria
1462:
1460:
1459:
1454:
1452:
1451:
1446:
1444:
1443:
1442:Platystrophia
1438:
1436:
1435:
1434:Platycrinites
1430:
1428:
1427:
1422:
1420:
1419:
1414:
1412:
1411:
1406:
1404:
1403:
1398:
1396:
1395:
1390:
1388:
1387:
1380:
1379:
1373:
1369:
1367:
1366:
1361:
1359:
1358:
1353:
1351:
1350:
1345:
1343:
1342:
1337:
1335:
1334:
1329:
1327:
1326:
1321:
1319:
1318:
1313:
1311:
1310:
1305:
1303:
1302:
1297:
1295:
1294:
1289:
1287:
1286:
1279:
1278:
1272:
1268:
1266:
1265:
1260:
1258:
1257:
1253:
1251:
1250:
1245:
1240:
1239:
1234:
1233:
1232:
1231:
1226:
1224:
1223:
1222:Mystrocephala
1218:
1216:
1215:
1210:
1208:
1207:
1202:
1200:
1199:
1194:
1192:
1191:
1186:
1184:
1183:
1178:
1176:
1175:
1168:
1167:
1161:
1157:
1155:
1154:
1149:
1147:
1146:
1141:
1139:
1138:
1133:
1131:
1130:
1125:
1123:
1122:
1117:
1115:
1114:
1109:
1107:
1106:
1101:
1099:
1098:
1093:
1091:
1090:
1085:
1081:
1080:
1075:
1074:
1073:
1072:
1065:
1064:
1059:
1054:
1050:
1048:
1047:
1046:Idiognathodus
1042:
1040:
1039:
1034:
1032:
1031:
1026:
1024:
1023:
1018:
1016:
1015:
1010:
1008:
1007:
1002:
1000:
999:
994:
992:
991:
986:
984:
983:
978:
976:
975:
970:
968:
967:
962:
960:
959:
954:
952:
951:
946:
944:
943:
938:
936:
935:
934:Gravicalymene
930:
928:
927:
922:
920:
919:
918:Flexicalymene
912:
911:
910:Flexicalymene
905:
901:
899:
898:
893:
891:
890:
885:
883:
882:
877:
875:
874:
869:
865:
864:
859:
858:
857:
856:
851:
849:
848:
843:
841:
840:
839:Eodictyonella
835:
833:
832:
828:
826:
825:
820:
818:
817:
812:
810:
809:
804:
800:
799:
794:
793:
792:
791:
786:
784:
783:
778:
776:
775:
768:
767:
762:
757:
753:
751:
750:
745:
743:
742:
737:
732:
731:
726:
725:
724:
723:
718:
716:
715:
710:
708:
707:
702:
700:
699:
694:
691:
690:
689:Deltaherpeton
685:
683:
682:
677:
675:
674:
669:
667:
666:
661:
659:
658:
653:
649:
648:
643:
642:
641:
640:
639:Cyrtospirifer
633:
632:
631:Cyrtospirifer
626:
622:
620:
619:
614:
612:
611:
610:Cypricardinia
606:
604:
603:
598:
596:
595:
590:
588:
587:
582:
580:
579:
574:
572:
571:
566:
564:
563:
558:
556:
555:
550:
548:
547:
542:
540:
539:
534:
530:
529:
524:
521:
520:
515:
514:
513:
512:
505:
504:
498:
494:
492:
491:
486:
484:
483:
478:
474:
473:
468:
465:
464:
459:
458:
457:
456:
451:
447:
446:
441:
439:
438:
433:
431:
430:
425:
423:
422:
417:
415:
414:
409:
408:
407:
406:
401:
397:
396:
391:
390:
389:
388:
383:
381:
380:
373:
372:
366:
362:
360:
359:
358:Charactoceras
354:
352:
351:
346:
344:
343:
338:
336:
335:
334:Ceratocephala
330:
328:
327:
322:
320:
319:
314:
310:
309:
304:
302:
301:
296:
295:
294:
293:
292:Camarotoechia
288:
286:
285:
280:
278:
277:
272:
270:
269:
264:
262:
261:
256:
254:
253:
248:
246:
245:
244:Aviculopecten
240:
236:
235:
230:
228:
227:
222:
221:
220:
219:
212:
211:
205:
201:
196:
195:
190:
189:
188:
187:
182:
180:
179:
174:
172:
171:
166:
164:
163:
158:
156:
155:
150:
148:
147:
142:
140:
139:
134:
130:
129:
124:
123:
122:
121:
116:
112:
111:
106:
104:
103:
98:
97:
96:
95:
88:
87:
81:
77:
75:
74:
69:
68:
64:
61:
53:
51:
49:
41:
39:
37:
33:
29:
25:
21:
16:
2845:South Dakota
2835:Rhode Island
2830:Pennsylvania
2810:North Dakota
2714:
2591:. Retrieved
2571:
2562:
2554:
2545:
2537:
2530:
2520:
2512:
2504:
2490:Sorex dispar
2488:
2480:
2473:
2466:
2459:
2452:
2442:
2434:
2426:
2419:
2412:
2403:
2395:
2386:
2378:
2369:
2361:
2351:
2342:
2336:
2323:
2313:
2305:
2295:
2287:
2280:
2273:
2264:
2255:
2247:
2240:
2231:
2223:
2213:
2205:
2196:
2188:
2180:
2173:
2165:
2152:
2136:
2128:
2120:
2110:
2104:Regnellidium
2102:
2092:
2084:
2073:
2064:
2058:Perotrilites
2056:
2045:
2037:
2028:
2018:
2010:
2000:
1992:
1982:
1974:
1964:
1956:
1948:
1940:
1931:
1916:
1908:
1897:
1889:
1880:
1872:
1863:
1855:
1844:
1836:
1826:
1817:
1809:
1794:
1786:
1777:
1769:
1761:
1753:
1744:
1734:
1726:
1718:
1710:
1702:
1694:
1690:
1677:
1669:
1662:
1652:
1644:
1636:
1628:
1621:Skenidioides
1619:
1611:
1600:
1591:
1585:Septemchiton
1583:
1575:
1567:
1559:
1551:
1543:
1535:
1522:
1514:
1504:
1496:
1488:
1480:
1472:
1463:
1456:
1448:
1440:
1432:
1424:
1416:
1408:
1400:
1392:
1384:
1376:
1363:
1355:
1347:
1339:
1333:Palmatolepis
1331:
1323:
1317:Pachyphyllum
1315:
1307:
1299:
1291:
1283:
1275:
1264:Odontopleura
1262:
1254:
1247:
1236:
1228:
1220:
1212:
1204:
1196:
1188:
1180:
1172:
1164:
1151:
1145:Manticoceras
1143:
1135:
1127:
1119:
1111:
1103:
1095:
1087:
1077:
1069:
1061:
1057:
1044:
1036:
1028:
1020:
1012:
1004:
996:
990:Heliophyllum
988:
980:
972:
964:
956:
948:
940:
932:
924:
916:
908:
895:
887:
879:
871:
861:
853:
845:
837:
829:
822:
814:
806:
796:
788:
780:
772:
764:
760:
747:
739:
728:
722:Diplograptus
720:
712:
704:
696:
687:
679:
673:Decadocrinus
671:
663:
655:
645:
637:
629:
616:
608:
600:
592:
584:
578:Curtognathus
576:
568:
560:
552:
544:
536:
526:
517:
509:
501:
488:
480:
470:
461:
453:
443:
435:
427:
419:
411:
403:
393:
385:
377:
369:
356:
348:
340:
332:
324:
316:
306:
298:
290:
282:
274:
266:
258:
250:
242:
232:
224:
216:
208:
192:
184:
176:
168:
160:
152:
144:
136:
126:
118:
108:
100:
92:
84:
71:
45:
19:
17:
15:
2760:Mississippi
2675:Connecticut
2593:17 December
2436:Paramylodon
2225:Castoroides
2198:Canis lupus
2122:Spermatites
1891:Coptothyris
1857:Chrysotheca
1779:Whatcheeria
1755:Syringopora
1720:Strophomena
1664:Spiriferina
1630:Sowerbyella
1613:Similodonta
1490:Polygnathus
1450:Plectodonta
1357:Pentremites
1341:Peachocaris
1249:Neospirifer
1206:Murchisonia
998:Hexagonaria
790:Eldredgeops
657:Cystodictya
538:Conocardium
252:Bellerophon
138:Aglaocrinus
120:Agassizodus
42:Precambrian
2919:Categories
2875:Washington
2795:New Mexico
2790:New Jersey
2665:California
2580:References
2532:Sylvilagus
2454:Platygonus
2414:Odocoileus
1942:Inoceramus
1933:Inoceramus
1811:Arcellites
1763:Taxocrinus
1679:Spyroceras
1553:Rhynchodus
1426:Platyceras
1418:Plaesiomys
1410:Pinnocaris
1402:Phillipsia
1349:Pentamerus
1309:Ozarkodina
1293:Orthoceras
1230:Naticopsis
1174:Meristella
1166:Meristella
1113:Kionoceras
1071:Iniopteryx
1063:Iniopteryx
950:Grewingkia
926:Goniatites
897:Fenestella
881:Euomphalus
855:Eospirifer
816:Encrinurus
741:Discosorus
706:Dicoelosia
665:Dalmanites
618:Cyrtolites
554:Cornulites
387:Chomatodus
342:Ceratopsis
326:Catenipora
178:Arctinurus
162:Anomphalus
154:Anataphrus
24:fossilized
2885:Wisconsin
2850:Tennessee
2755:Minnesota
2730:Louisiana
2363:Megalonyx
2325:Mammuthus
2242:Didelphis
2086:Pilularia
2030:Molaspora
1788:Worthenia
1746:Stylonema
1693:relative
1671:Spirorbis
1593:Sigournea
1569:Scutellum
1561:Rigidella
1545:Ptyctodus
1537:Ptyctodus
1516:Posidonia
1482:Poleumita
1386:Petalodus
1378:Petalodus
1285:Onychodus
1277:Onychodus
1214:Mycterops
1182:Meristina
1129:Leptopora
1121:Krausella
1105:Kayoceras
1060:relative
1030:Hyolithes
982:Harpidium
974:Halysites
966:Hallopora
958:Gyroceras
889:Favosites
847:Eophacops
831:Eocaudina
824:Endoceras
763:relative
749:Earlandia
698:Dentalium
602:Cyphaspis
594:Cyclonema
511:Composita
503:Composita
379:Cheirurus
371:Cheirurus
73:Acidaspis
54:Paleozoic
2870:Virginia
2820:Oklahoma
2800:New York
2775:Nebraska
2765:Missouri
2750:Michigan
2740:Maryland
2725:Kentucky
2705:Illinois
2680:Delaware
2670:Colorado
2660:Arkansas
2468:Rangifer
2428:Panthera
2397:Mictomys
2380:Microtus
2175:Camelops
2167:Camelops
2147:Cenozoic
1803:Mesozoic
1771:Tranodis
1691:Chimaera
1646:Spirifer
1190:Michelia
1097:Isotelus
1089:Iocrinus
1058:Chimaera
1038:Icriodus
942:Greenops
782:Edmondia
761:Chimaera
546:Coolinia
490:Coenites
405:Chonetes
350:Ceraurus
318:Cardiola
284:Calymene
276:Bumastus
260:Bembexia
146:Amplexus
28:reported
2890:Wyoming
2865:Vermont
2770:Montana
2710:Indiana
2690:Georgia
2685:Florida
2655:Arizona
2645:Alabama
2539:Taxidea
2475:Sciurus
2461:Procyon
2421:Ondatra
2154:Blarina
1796:Youngia
1524:Proetus
1394:Phacops
1325:Paladin
1301:Oulodus
1137:Lingula
1022:Huronia
1014:Holopea
774:Edestus
766:Edestus
681:Deiphon
186:Athyris
2825:Oregon
2780:Nevada
2720:Kansas
2695:Hawaii
2650:Alaska
2638:States
2573:Vulpes
2307:Mammut
2289:Lontra
2275:Geomys
2207:Castor
1256:Nucula
1006:Hindia
562:Crania
218:Atrypa
32:within
2855:Texas
2735:Maine
2700:Idaho
2556:Ursus
2482:Sorex
2282:Lepus
2249:Equus
2182:Canis
30:from
18:This
2860:Utah
2815:Ohio
2715:Iowa
2595:2021
46:The
36:Iowa
2921::
38:.
2625:e
2618:t
2611:v
2597:.
2561:†
2544:†
2519:†
2511:†
2487:†
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2304:†
2294:†
2263:†
2254:†
2230:†
2222:†
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2187:†
2172:†
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2127:†
2119:†
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2101:†
2091:†
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2072:†
2063:†
2055:†
2044:†
2036:†
2027:†
2017:†
2009:†
1999:†
1991:†
1981:†
1973:†
1963:†
1955:†
1947:†
1939:†
1915:†
1907:†
1896:†
1879:†
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
