1143:
1119:
1735:
968:
1669:
1169:
981:
690:
504:
412:
1056:
1489:
1416:
1341:
1193:
1155:
1711:
1681:
1131:
993:
955:
516:
424:
1693:
1229:
782:
702:
528:
552:
1181:
1005:
722:
441:
1205:
1017:
1217:
1029:
1592:
1432:
1357:
1893:
Sanders F, Manley K, Carpenter K. Gastroliths from the Lower
Cretaceous sauropod Cedarosaurus weiskopfae. In: Tanke D.H, Carpenter K, editors. Mesozoic vertebrate life: new research inspired by the paleontology of Philip J. Currie. Indiana University Press; Bloomington, IN: 2001.
1897:
Williston, Samuel Wendel; 1903. North
American Plesiosaurs; Field Columbian Museum Publication 73, Geological Series; II(I); Field Columbian Museum, Chicago.
314:. Because humans have encountered fossils for millennia, paleontology has a long history both before and after becoming formalized as a
1764:
318:. This article records significant discoveries and events related to paleontology that occurred or were published in the year 1903.
36:
1910:
1405:
161:
51:
30:
1830:. with description of a new species, and remarks on the probable habits of the Sauropoda and the age and origin of the
1789:
1093:
929:
877:
556:
726:
664:
1148:
770:
1860:, a new compsognathoid dinosaur from the Upper Jurassic. Bull. Amer. Mus. Nat. Hist. 19: pp. 459-464.
232:
158:
153:
148:
143:
138:
133:
128:
122:
117:
112:
100:
95:
90:
84:
79:
74:
69:
64:
59:
54:
1740:
943:
311:
227:
616:
678:
604:
492:
470:
400:
247:
237:
1770:
1760:
1063:
632:
590:
478:
456:
1107:
1075:
1055:
252:
209:
204:
199:
194:
189:
184:
179:
1473:
1325:
1044:
973:
911:
1904:
1715:
1674:
1652:
1436:
1373:
1174:
986:
763:
738:
695:
646:
625:
597:
582:
509:
485:
445:
417:
393:
368:
287:
259:
242:
1710:
1605:
1494:
1466:
1448:
1421:
1398:
1391:
1346:
1318:
1198:
1160:
756:
671:
568:
543:
268:
1610:
1552:
1244:
891:
551:
386:
307:
222:
1886:
Williston (1903). Sanders, Manley, and
Carpenter (2001), "Table 12.1" page 167.
721:
440:
1730:
1361:
1300:
1047:
859:
272:
1774:
303:
1431:
1793:
1686:
1576:
1136:
1100:
998:
960:
936:
521:
429:
291:
275:
1356:
1847:
Hatcher. Proceedings of the
Biological Society of Washington 16: p.100.
1698:
1234:
787:
707:
533:
315:
1517:
1265:
824:
333:
1186:
1124:
1010:
884:
295:
283:
1817:, the largest known dinosaurs. Amer. J. Science 15 (4):pp. 299-306.
1709:
1597:
1430:
1355:
1210:
1054:
1022:
720:
550:
439:
299:
279:
1222:
1034:
901:
first described as a pterosaur; reidentified in the 1970s
331:
Data courtesy of George
Olshevsky's dinosaur genera list.
1757:
Echoes from the past: world history to the 16th century
1755:Gini-Newman, Garfield; Graham, Elizabeth (2001).
1843:Hatcher, J.B. 1903. A new name for the Dinosaur
716:Known from a single skull and partial skeleton.
1706:An Eocene Mammal related to modern pangolins.
18:Overview of the events of 1903 in paleontology
8:
282:through the examination of plant and animal
286:. This includes the study of body fossils,
1627:
1747:
20:
1834:beds. Mem. Carnegie Mus. 2: pp. 1-72.
7:
1759:. Toronto: McGraw-Hill Ryerson Ltd.
1877:. Geol. Mag. (ser. 4) 10:pp. 94-95.
1790:"Dinogeorge's Dinosaur Genera List"
614:Erroneously thought preoccupied by
546:", mistakenly thought preoccupied
816:Plesiosaur gastroliths documented.
14:
1826:Hatcher, J.B. 1903. Osteology of
1608:; now recognized as a species of
271:or palaeontology is the study of
1733:
1691:
1679:
1667:
1590:
1487:
1414:
1339:
1227:
1215:
1203:
1191:
1179:
1167:
1153:
1141:
1129:
1117:
1027:
1015:
1003:
991:
979:
966:
953:
780:
700:
688:
526:
514:
502:
422:
410:
1553:Squalodon bariensis latirostris
1480:Middle Abrahamskraal Formation
1332:Middle Abrahamskraal Formation
1:
1406:Cistecephalus Assemblage Zone
298:, cast-off parts, fossilised
31:List of years in paleontology
1873:, new name for the dinosaur
1927:
1815:Brachiosaurus altithorax
557:Haplocanthosaurus delfsi
821:Newly named plesiosaurs
1858:Ornitholestes hermanni
1719:
1661:48 Million years ago.
1440:
1365:
1067:
730:
727:Ornitholestes hermanni
560:
449:
1713:
1434:
1359:
1149:Northwest Territories
1060:Brachauchenius lucasi
1058:
724:
554:
443:
327:Newly named dinosaurs
1911:1903 in paleontology
1856:Osborn, H. F. 1903.
1788:Olshevsky, George.
1741:Paleontology portal
1062:pursuing a generic
944:Greenhorn Formation
1813:Riggs, E.S. 1903.
1720:
1441:
1366:
1068:
771:Sânpetru Formation
731:
679:Morrison Formation
605:Morrison Formation
561:
493:Morrison Formation
471:nomen conservandum
450:
401:Morrison Formation
1894:pp. 166–180.
1869:Nopcsa, F. 1903.
1828:Haptocanthosaurus
1724:
1723:
1621:
1620:
1506:
1505:
1254:
1253:
1064:hesperornithiform
808:
807:
801:
633:Haplocanthosaurus
629:
457:Haplocanthosaurus
312:chemical residues
266:
265:
43:
42:
1918:
1887:
1884:
1878:
1867:
1861:
1854:
1848:
1841:
1835:
1824:
1818:
1811:
1805:
1804:
1802:
1801:
1792:. Archived from
1785:
1779:
1778:
1752:
1743:
1738:
1737:
1736:
1697:
1695:
1694:
1685:
1683:
1682:
1673:
1671:
1670:
1628:
1596:
1594:
1593:
1584:Unnamed deposit
1575:Late Oligocene (
1518:
1493:
1491:
1490:
1420:
1418:
1417:
1345:
1343:
1342:
1266:
1233:
1231:
1230:
1221:
1219:
1218:
1209:
1207:
1206:
1197:
1195:
1194:
1185:
1183:
1182:
1173:
1171:
1170:
1159:
1157:
1156:
1147:
1145:
1144:
1135:
1133:
1132:
1123:
1121:
1120:
1108:Smoky Hill Chalk
1076:Dolichorhynchops
1033:
1031:
1030:
1021:
1019:
1018:
1009:
1007:
1006:
997:
995:
994:
985:
983:
982:
972:
970:
969:
959:
957:
956:
825:
799:
786:
784:
783:
706:
704:
703:
694:
692:
691:
624:
532:
530:
529:
520:
518:
517:
508:
506:
505:
428:
426:
425:
416:
414:
413:
334:
322:Archosauromorphs
176:
25:
24:
21:
1926:
1925:
1921:
1920:
1919:
1917:
1916:
1915:
1901:
1900:
1890:
1885:
1881:
1868:
1864:
1855:
1851:
1842:
1838:
1825:
1821:
1812:
1808:
1799:
1797:
1787:
1786:
1782:
1767:
1754:
1753:
1749:
1739:
1734:
1732:
1729:
1692:
1690:
1680:
1678:
1668:
1666:
1591:
1589:
1516:
1511:
1488:
1486:
1415:
1413:
1340:
1338:
1264:
1259:
1228:
1226:
1216:
1214:
1204:
1202:
1192:
1190:
1180:
1178:
1168:
1166:
1154:
1152:
1142:
1140:
1130:
1128:
1118:
1116:
1028:
1026:
1016:
1014:
1004:
1002:
992:
990:
980:
978:
967:
965:
954:
952:
823:
813:
811:Sauropterygians
781:
779:
773:, Transylvania
701:
699:
689:
687:
527:
525:
515:
513:
503:
501:
423:
421:
411:
409:
329:
324:
257:
214:
174:
166:
125:
87:
19:
12:
11:
5:
1924:
1922:
1914:
1913:
1903:
1902:
1899:
1898:
1895:
1889:
1888:
1879:
1862:
1849:
1836:
1819:
1806:
1780:
1765:
1746:
1745:
1744:
1728:
1725:
1722:
1721:
1707:
1704:
1703:
1702:
1662:
1659:
1656:
1648:
1647:
1644:
1641:
1638:
1635:
1632:
1619:
1618:
1616:
1601:
1586:
1581:
1572:
1567:
1562:
1557:
1547:
1546:
1543:
1540:
1537:
1534:
1531:
1528:
1525:
1522:
1515:
1512:
1510:
1507:
1504:
1503:
1501:
1499:
1498:
1497:
1482:
1477:
1474:Middle Permian
1470:
1463:
1458:
1453:
1443:
1442:
1428:
1426:
1425:
1424:
1409:
1402:
1395:
1388:
1383:
1378:
1368:
1367:
1353:
1351:
1350:
1349:
1334:
1329:
1326:Middle Permian
1322:
1315:
1310:
1305:
1295:
1294:
1291:
1288:
1285:
1282:
1279:
1276:
1273:
1270:
1263:
1260:
1258:
1255:
1252:
1251:
1249:
1240:
1239:
1238:
1164:
1112:
1104:
1097:
1090:
1085:
1080:
1070:
1069:
1052:
1045:brachauchenine
1040:
1039:
1038:
976:
963:
948:
940:
933:
926:
921:
916:
912:Brachauchenius
906:
905:
903:
898:
896:
888:
881:
874:
869:
864:
854:
853:
850:
847:
844:
841:
838:
835:
832:
829:
822:
819:
818:
817:
812:
809:
806:
805:
803:
795:new genus for
792:
791:
790:
775:
767:
760:
753:
748:
743:
733:
732:
718:
713:
712:
711:
683:
675:
668:
661:
656:
651:
641:
640:
638:
611:
609:
601:
594:
587:
578:
573:
563:
562:
548:
542:New name for "
539:
538:
537:
497:
489:
482:
475:
465:
460:
452:
451:
437:
435:
434:
433:
405:
397:
390:
383:
378:
373:
363:
362:
359:
356:
353:
350:
347:
344:
341:
338:
328:
325:
323:
320:
264:
263:
256:
255:
250:
245:
240:
235:
230:
225:
219:
216:
215:
213:
212:
207:
202:
197:
192:
187:
182:
177:
171:
168:
167:
165:
164:
156:
151:
146:
141:
136:
131:
126:
120:
115:
110:
103:
98:
93:
88:
82:
77:
72:
67:
62:
57:
48:
45:
44:
41:
40:
33:
28:
17:
13:
10:
9:
6:
4:
3:
2:
1923:
1912:
1909:
1908:
1906:
1896:
1892:
1891:
1883:
1880:
1876:
1872:
1871:Telmatosaurus
1866:
1863:
1859:
1853:
1850:
1846:
1840:
1837:
1833:
1832:Atlantosaurus
1829:
1823:
1820:
1816:
1810:
1807:
1796:on 2011-07-15
1795:
1791:
1784:
1781:
1776:
1772:
1768:
1766:9780070887398
1762:
1758:
1751:
1748:
1742:
1731:
1726:
1718:
1717:
1716:Metacheiromys
1712:
1708:
1705:
1700:
1688:
1676:
1665:
1664:
1663:
1660:
1657:
1655:
1654:
1653:Metacheiromys
1650:
1649:
1645:
1642:
1639:
1636:
1633:
1630:
1629:
1626:
1625:
1617:
1615:
1613:
1612:
1607:
1602:
1600:
1599:
1587:
1585:
1582:
1580:
1578:
1573:
1571:
1568:
1566:
1563:
1561:
1558:
1556:
1555:
1554:
1549:
1548:
1544:
1541:
1538:
1535:
1532:
1529:
1526:
1523:
1520:
1519:
1513:
1508:
1502:
1500:
1496:
1485:
1484:
1483:
1481:
1478:
1476:
1475:
1471:
1469:
1468:
1464:
1462:
1459:
1457:
1454:
1452:
1451:
1450:
1445:
1444:
1439:
1438:
1437:Scylacosaurus
1433:
1429:
1427:
1423:
1412:
1411:
1410:
1408:
1407:
1403:
1401:
1400:
1396:
1394:
1393:
1389:
1387:
1384:
1382:
1379:
1377:
1376:
1375:
1374:Scylacosaurus
1370:
1369:
1364:
1363:
1358:
1354:
1352:
1348:
1337:
1336:
1335:
1333:
1330:
1328:
1327:
1323:
1321:
1320:
1316:
1314:
1311:
1309:
1306:
1304:
1303:
1302:
1297:
1296:
1292:
1289:
1286:
1283:
1280:
1277:
1274:
1271:
1268:
1267:
1262:Non-mammalian
1261:
1256:
1250:
1248:
1246:
1241:
1236:
1224:
1212:
1200:
1188:
1176:
1165:
1162:
1150:
1138:
1126:
1115:
1114:
1113:
1111:
1109:
1105:
1103:
1102:
1098:
1096:
1095:
1091:
1089:
1086:
1084:
1081:
1079:
1078:
1077:
1072:
1071:
1065:
1061:
1057:
1053:
1051:
1049:
1046:
1041:
1036:
1024:
1012:
1000:
988:
977:
975:
964:
962:
951:
950:
949:
947:
945:
941:
939:
938:
934:
932:
931:
927:
925:
922:
920:
917:
915:
914:
913:
908:
907:
904:
902:
899:
897:
895:
893:
889:
887:
886:
882:
880:
879:
875:
873:
870:
868:
865:
863:
862:
861:
856:
855:
851:
848:
845:
842:
839:
836:
833:
830:
827:
826:
820:
815:
814:
810:
804:
802:
800:Nopcsa, 1899.
798:
793:
789:
778:
777:
776:
774:
772:
768:
766:
765:
764:Maastrichtian
761:
759:
758:
754:
752:
749:
747:
744:
742:
741:
740:
739:Telmatosaurus
735:
734:
729:
728:
723:
719:
717:
714:
709:
697:
686:
685:
684:
682:
680:
676:
674:
673:
669:
667:
666:
662:
660:
657:
655:
652:
650:
649:
648:
647:Ornitholestes
643:
642:
639:
637:
635:
634:
627:
623:
622:
620:
612:
610:
608:
606:
602:
600:
599:
598:Late Jurassic
595:
593:
592:
588:
586:
585:
584:
583:Nomen oblitum
579:
577:
574:
572:
570:
565:
564:
559:
558:
553:
549:
547:
545:
540:
535:
523:
511:
500:
499:
498:
496:
494:
490:
488:
487:
486:Late Jurassic
483:
481:
480:
476:
474:
473:
472:
466:
464:
461:
459:
458:
454:
453:
448:
447:
446:Brachiosaurus
442:
438:
436:
431:
419:
408:
407:
406:
404:
402:
398:
396:
395:
394:Late Jurassic
391:
389:
388:
384:
382:
379:
377:
374:
372:
371:
370:
369:Brachiosaurus
365:
364:
360:
357:
354:
351:
348:
345:
342:
339:
336:
335:
332:
326:
321:
319:
317:
313:
309:
305:
301:
297:
293:
289:
285:
281:
277:
274:
270:
262:
261:
254:
251:
249:
246:
244:
241:
239:
236:
234:
231:
229:
226:
224:
221:
220:
218:
217:
211:
208:
206:
203:
201:
198:
196:
193:
191:
188:
186:
183:
181:
178:
173:
172:
170:
169:
163:
160:
157:
155:
152:
150:
147:
145:
142:
140:
137:
135:
132:
130:
127:
124:
121:
119:
116:
114:
111:
109:
108:
104:
102:
99:
97:
94:
92:
89:
86:
83:
81:
78:
76:
73:
71:
68:
66:
63:
61:
58:
56:
53:
50:
49:
47:
46:
38:
34:
32:
29:
27:
26:
23:
22:
16:
1882:
1874:
1870:
1865:
1857:
1852:
1845:Haplocanthus
1844:
1839:
1831:
1827:
1822:
1814:
1809:
1798:. Retrieved
1794:the original
1783:
1756:
1750:
1714:
1651:
1623:
1622:
1609:
1606:squalodontid
1603:
1588:
1583:
1574:
1569:
1564:
1559:
1551:
1550:
1495:South Africa
1479:
1472:
1465:
1460:
1455:
1449:Scymnosaurus
1447:
1446:
1435:
1422:South Africa
1404:
1399:Late Permian
1397:
1390:
1385:
1380:
1372:
1371:
1360:
1347:South Africa
1331:
1324:
1317:
1312:
1307:
1299:
1298:
1242:
1199:South Dakota
1161:Saskatchewan
1106:
1099:
1092:
1087:
1082:
1074:
1073:
1059:
1042:
942:
935:
928:
923:
918:
910:
909:
900:
890:
883:
876:
871:
866:
858:
857:
796:
794:
769:
762:
755:
750:
745:
737:
736:
725:
715:
677:
672:Kimmeridgian
670:
663:
658:
653:
645:
644:
631:
630:and renamed
618:
615:
613:
603:
596:
589:
581:
580:
575:
569:Haplocanthus
566:
555:
544:Haplocanthus
541:
491:
484:
477:
469:
467:
462:
455:
444:
399:
392:
385:
380:
375:
367:
366:
330:
308:palynomorphs
269:Paleontology
267:
258:
233:Architecture
106:
105:
15:
1875:Limnosaurus
1611:Eosqualodon
1245:polycotylid
1083:gen et sp
892:Kiowa Shale
797:Limnosaurus
607:, Colorado
576:gen et sp
495:, Colorado
463:gen et sp
403:, Colorado
273:prehistoric
228:Archaeology
1800:2008-08-07
1727:References
1624:Pholidotes
1570:Capellini
1509:Eutherians
1456:gen et sp
1381:gen et sp
1362:Lycosuchus
1308:gen et sp
1301:Lycosuchus
1048:pliosaurid
919:gen et sp
867:gen et sp
860:Apatomerus
681:, Wyoming
654:gen et sp
376:gen et sp
304:coprolites
276:life forms
248:Philosophy
238:Literature
175:In science
1640:Location
1560:Ssp. nov
1539:Location
1514:Cetaceans
1287:Location
1257:Synapsids
1110:, Kansas
1094:Williston
930:Williston
894:, Kansas
878:Williston
846:Location
355:Location
1905:Category
1775:46769716
1687:Colorado
1658:Wortman
1634:Authors
1577:Chattian
1530:Authors
1524:Novelty
1278:Authors
1272:Novelty
1137:Manitoba
1101:Turonian
999:Colorado
961:Colombia
937:Turonian
837:Authors
831:Novelty
522:Colorado
430:Colorado
346:Authors
340:Novelty
292:ichnites
1699:Wyoming
1646:Images
1545:Images
1527:Status
1293:Images
1275:Status
1235:Wyoming
852:Images
834:Status
788:Romania
708:Wyoming
626:Agassiz
621:canthus
591:Hatcher
534:Wyoming
479:Hatcher
468:Valid;
361:Images
343:Status
316:science
296:burrows
284:fossils
253:Science
1773:
1763:
1696:
1684:
1672:
1643:Notes
1595:
1565:Valid
1542:Notes
1492:
1461:Valid
1419:
1386:Valid
1344:
1313:Valid
1290:Notes
1232:
1220:
1208:
1196:
1187:Kansas
1184:
1172:
1158:
1146:
1134:
1125:Canada
1122:
1088:Valid
1032:
1020:
1011:Kansas
1008:
996:
984:
971:
958:
924:Valid
885:Albian
872:Valid
849:Notes
785:
757:Nopcsa
751:Valid
705:
693:
665:Osborn
659:Valid
628:, 1945
531:
519:
507:
427:
415:
381:Valid
358:Notes
288:tracks
1631:Name
1598:Italy
1536:Unit
1521:Name
1467:Broom
1392:Broom
1319:Broom
1284:Unit
1269:Name
1211:Texas
1066:bird.
1023:Texas
843:Unit
828:Name
387:Riggs
352:Unit
337:Name
300:feces
280:Earth
243:Music
37:table
1771:OCLC
1761:ISBN
1689:and
1637:Age
1533:Age
1281:Age
1225:and
1223:Utah
1151:and
1035:Utah
1025:and
840:Age
746:gen
617:Hapl
524:and
349:Age
310:and
260:+...
210:1906
205:1905
200:1904
195:1903
190:1902
185:1901
180:1900
159:1913
154:1912
149:1911
144:1910
139:1909
134:1908
129:1907
123:1906
118:1905
113:1904
107:1903
101:1902
96:1901
91:1900
85:1899
80:1898
75:1897
70:1896
65:1895
60:1894
55:1893
1675:USA
1175:USA
987:USA
946:,
696:USA
510:USA
418:USA
306:),
294:),
278:on
223:Art
1907::
1769:.
1614:.
1604:A
1579:)
1247:.
1243:A
1213:,
1201:,
1189:,
1139:,
1050:.
1043:A
1013:,
1001:,
974:UK
636:.
571:"
39:)
1803:.
1777:.
1701:)
1677:(
1237:)
1177:(
1163:)
1127:(
1037:)
989:(
710:)
698:(
619:a
567:"
536:)
512:(
432:)
420:(
302:(
290:(
162:…
52:…
35:(
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