1774:
1780:
2330:
122:
2360:
2336:
1062:
542:, to collect and describe as many fossil taxa as possible. This competition caused the two to publish small papers on finds that hadn't been properly named or analyzed, contributing to taxonomic issues later on. All of the specimens described by Cope were later sold to the
965:
Hunt, A. P., Lucas, S. G., & Mateer, N. J. (1992, September). Charles H. Sternberg and the collection of Late
Cretaceous vertebrate fossils from the San Juan Basin, New Mexico. In
2471:
887:
E. D. Cope. 1876. Descriptions of some vertebrate remains from the Fort Union Beds of
Montana. Proceedings of the Academy of Natural Sciences of Philadelphia 28:248-261.
2425:
1023:
Stanton, T.W.; Hatcher, J.B.; Knowlton, F.H. (1905). Walcott, C.D. (ed.). "Geology and
Paleontology of the Judith River Beds: With a Chapter on Fossil Plants".
2501:
2476:
2412:
2496:
1773:
2481:
1095:
731:
demonstrated that all of the teeth were of ceratopsian nature, just from different parts of the mouth and at different stages of erosion.
684:
747:, including the discoveries of many taxa that he named, though all are now seen as dubious. These include fossils of large, carnivorous
1779:
642:
Cope, 1876; Single maxillary tooth, originally included seven others from various areas of the skull. Dubious at the
Ceratopsia level.
543:
2491:
2353:
2506:
2329:
919:
Carr, T. D., & Williamson, T. E. (2000). A review of
Tyrannosauridae (Dinosauria, Coelurosauria) from New Mexico.
658:. Hypothesized to be ankylosaurian, stegosaurid, or hypsilophodontid, but it is actually an unworn Ceratopsian tooth.
648:
Cope, 1876; Single maxillary tooth, originally included two others and bone shards. Dubious at the
Ceratopsia level.
530:
of each species consist of one to eight teeth, all being detached and likely from different individuals. Cope named
523:
455:
388:
599:, and found that the genus' teeth were composed of those from Hadrosaurs and Ceratopsids making it a chimera and
485:
as the type species based on several fragmentary teeth, believing it was a small herbivorous dinosaur related to
121:
1186:
1088:
1304:
695:, either by reading Cope's original descriptions of the genus or by Cope in 1890 indirectly suggesting that
2380:
740:
606:
511:
395:
2486:
2363:
1213:
539:
446:
means “burnt in” based on the concave tooth tip. The other species named by Cope have several meanings.
2335:
2466:
280:
1469:
1081:
724:
478:
403:
2189:
2139:
1571:
116:
442:
for tooth enamel, the full name meaning “rough enamel”. The specific name for the type species,
2438:
2430:
2272:
2210:
2173:
1647:
1534:
1042:
Cope, E.D. (1879). Hayden, F.V. (ed.). "The
Relations of the Horizons of Extinct Vertebrata".
942:
743:, the site of expeditions first by Edward Drinker Cope's crews during the early stages of the
592:
2443:
2302:
2100:
1925:
1627:
1322:
1067:
2196:
2148:
2107:
2043:
1946:
1897:
1599:
1523:
1478:
1352:
1338:
1297:
1171:
1155:
764:
748:
588:
572:
411:
243:
30:
609:
at the AMNH later designated holotype teeth due to their chimeric and composite nature.
2203:
2162:
2093:
2080:
2051:
2036:
2006:
1967:
1953:
1870:
1831:
1710:
1620:
1585:
1578:
1458:
1408:
1331:
1311:
676:
672:
576:
463:
198:
2460:
2281:
2260:
2230:
2221:
2121:
2015:
1960:
1939:
1911:
1904:
1890:
1883:
1689:
1678:
1671:
1613:
1606:
1592:
1550:
1485:
1451:
1422:
1375:
967:
San Juan Basin IV: New Mexico
Geological Society, Forty-third Annual Field Conference
819:
778:
680:
556:
547:
527:
415:
227:
68:
978:
COOMBS, W. P. (1978). The families of the ornithischian dinosaur order
Ankylosauria.
2295:
2246:
2239:
2155:
2128:
2114:
2022:
1995:
1988:
1981:
1932:
1918:
1810:
1797:
1728:
1717:
1702:
1664:
1656:
1638:
1543:
1509:
1492:
1444:
1437:
1393:
1198:
1146:
815:
774:
728:
601:
515:
288:
256:
182:
1004:
Lull, R.S. & Wright, N.E. (1942). "Hadrosaurian
Dinosaurs of North America".
2288:
2182:
2065:
2029:
1852:
1564:
1429:
798:
720:
493:
369:
43:
450:
means “two keels” after the 2 keels running down the length of the type teeth.
2058:
1974:
1824:
1557:
1345:
1279:
1266:
1225:
1104:
1057:
809:
793:
753:
712:
692:
624:
580:
419:
407:
392:
380:
276:
214:
88:
53:
2403:
782:
744:
566:
550:
after Cope's death where they remain today. Some of the teeth like those of
535:
507:
376:
133:
93:
37:
506:
based on solely fragmentary teeth. The fossils had been collected from the
2397:
1859:
1838:
1401:
1137:
1128:
802:
788:
768:
759:
655:
487:
372:
166:
153:
83:
78:
63:
58:
48:
699:
was a ceratopsian rather than a "trachodontid". Later in 1907, Hatcher
2417:
2253:
1415:
1359:
859:
620:
519:
399:
98:
73:
899:
Cope, E. D. (1885). The relations of the Puerco and Laramie deposits.
711:
included teeth of hadrosaurids (then trachodontids), and the teeth of
1122:
623:
tooth, though originally included 5 additional teeth. Dubious at the
143:
2374:
365:
2378:
1795:
1264:
1115:
1077:
1073:
571:
Cope also referred teeth collected by David Baldwin from the
792:
were named. The most common fossils are those of the horned
921:
New Mexico Museum of Natural History and Science Bulletin
723:
by Lull and Wright in 1942. However, later analysis by
587:. These likely were the teeth of hadrosaurids and even
454:
was named after American paleontologist and biologist
364:(dis-GANN-us) (meaning "rough enamel") is a dubious
342:
330:
318:
295:
2387:
2271:
2229:
2220:
2172:
2138:
2079:
2005:
1869:
1808:
1727:
1688:
1646:
1637:
1533:
1507:
1468:
1373:
1321:
1277:
1224:
1197:
1170:
707:in their entirety and deduced that the holotype of
554:were said by Cope to be more similar to those of
1044:United States Geological and Geographical Survey
860:Dysganus, an indeterminate ceratopsian dinosaur.
477:was first described by American Paleontologist
858:Coombs Jr, W. P., & Galton, P. M. (1988).
703:. republished Cope's original descriptions of
679:now considered a junior synonym of the family
1089:
406:. All of the species are now seen as dubious
8:
1006:Geological Society of America Special Papers
654:Cope, 1876; Single tooth from the anterior
538:, his competition with Yale paleontologist
2472:Late Cretaceous dinosaurs of North America
2375:
2226:
2085:
1875:
1816:
1805:
1792:
1694:
1643:
1515:
1385:
1381:
1289:
1285:
1274:
1261:
1203:
1176:
1167:
1112:
1096:
1082:
1074:
999:
997:
883:
881:
879:
877:
875:
873:
871:
20:
991:(No. 310). US Government Printing Office.
1025:United States Geological Survey Bulletin
583:, stating they were similar to those of
832:
739:All 4 named species are known from the
466:of Montana, where the type was found.
7:
937:
935:
933:
915:
913:
895:
893:
854:
852:
850:
848:
846:
844:
842:
840:
838:
836:
544:American Museum of Natural History
14:
2502:Taxa named by Edward Drinker Cope
2477:Campanian genus first appearances
2359:
2358:
2334:
2328:
1778:
1772:
1060:
823:is known from scattered teeth.
434:is derived from the Greek roots
410:, though referred material from
120:
631:Species previously referred to
500:D. haydenianus, D. bicarinatus,
383:. The fossil teeth referred to
685:Franz Nopcsa von Felső-Szilvás
1:
2497:Fossil taxa described in 1876
560:, while others more akin to
498:Cope also named the species
2482:Campanian genus extinctions
667:Cope originally classified
2523:
719:were thought to be from a
16:Extinct genus of dinosaurs
2348:
2326:
2088:
1878:
1819:
1804:
1791:
1769:
1697:
1518:
1388:
1384:
1292:
1288:
1273:
1260:
1206:
1179:
1166:
1111:
595:redescribed the teeth of
315:
310:
294:
287:
117:Scientific classification
115:
23:
387:were first collected by
2492:Paleontology in Montana
1305:Micropachycephalosaurus
987:Hatcher, J. B. (1907).
863:Journal of Paleontology
773:As for the herbivorous
464:Peigan Native Americans
402:and later described by
741:Judith River Formation
512:Judith River Formation
396:Judith River Formation
540:Othniel Charles Marsh
2507:Ornithischian genera
814:Lastly, the armored
462:was named after the
1470:Archaeoceratopsidae
943:"Untitled Document"
901:American Naturalist
619:Cope, 1876; Single
479:Edward Drinker Cope
470:History and species
456:Ferdinand V. Hayden
404:Edward Drinker Cope
2190:Crittendenceratops
2140:Albertaceratopsini
777:, like the beaked
617:Dysganus encaustus
483:Dysganus encaustus
438:meaning “bad” and
379:stage of the Late
300:Dysganus encaustus
2454:
2453:
2439:Open Tree of Life
2381:Taxon identifiers
2372:
2371:
2344:
2343:
2324:
2323:
2320:
2319:
2316:
2315:
2312:
2311:
2273:Pachyrhinosaurini
2211:Yehuecauhceratops
2174:Nasutoceratopsini
2075:
2074:
1787:
1786:
1767:
1766:
1763:
1762:
1759:
1758:
1755:
1754:
1751:
1750:
1747:
1746:
1648:Protoceratopsidae
1535:Leptoceratopsidae
1503:
1502:
1369:
1368:
1256:
1255:
1252:
1251:
1248:
1247:
1244:
1243:
947:www.paleofile.com
593:John Bell Hatcher
526:and company. The
524:Charles Sternberg
430:The generic name
389:Charles Sternberg
357:
356:
351:
339:
327:
283:
2514:
2447:
2446:
2434:
2433:
2421:
2420:
2408:
2407:
2406:
2376:
2362:
2361:
2339:
2338:
2332:
2303:Pachyrhinosaurus
2227:
2101:Machairoceratops
2086:
1926:Coahuilaceratops
1876:
1817:
1806:
1793:
1782:
1777:
1776:
1695:
1644:
1628:Zhuchengceratops
1516:
1386:
1382:
1323:Chaoyangsauridae
1290:
1286:
1275:
1262:
1204:
1177:
1168:
1161:
1160:
1113:
1098:
1091:
1084:
1075:
1070:
1068:Dinosaurs portal
1065:
1064:
1063:
1052:
1051:
1039:
1033:
1032:
1020:
1014:
1013:
1001:
992:
985:
979:
976:
970:
963:
957:
956:
954:
953:
939:
928:
917:
908:
897:
888:
885:
866:
856:
579:in northwestern
573:Upper Cretaceous
349:
344:
337:
332:
325:
320:
297:
275:
268:
255:
242:
226:
213:
197:
181:
125:
124:
110:
40:
29:Temporal range:
21:
2522:
2521:
2517:
2516:
2515:
2513:
2512:
2511:
2457:
2456:
2455:
2450:
2442:
2437:
2429:
2424:
2416:
2411:
2402:
2401:
2396:
2383:
2373:
2368:
2340:
2333:
2308:
2267:
2216:
2197:Furcatoceratops
2168:
2149:Albertaceratops
2134:
2108:Menefeeceratops
2071:
2044:Tatankaceratops
2001:
1947:Mercuriceratops
1898:Arrhinoceratops
1865:
1813:
1800:
1783:
1771:
1743:
1723:
1684:
1633:
1600:Montanoceratops
1529:
1524:Graciliceratops
1512:
1499:
1479:Archaeoceratops
1464:
1378:
1365:
1353:Xuanhuaceratops
1339:Hualianceratops
1317:
1298:Albalophosaurus
1282:
1269:
1240:
1220:
1193:
1187:Avemetatarsalia
1172:Avemetatarsalia
1162:
1156:Marginocephalia
1118:
1117:
1107:
1102:
1066:
1061:
1059:
1056:
1055:
1041:
1040:
1036:
1022:
1021:
1017:
1003:
1002:
995:
986:
982:
977:
973:
964:
960:
951:
949:
941:
940:
931:
918:
911:
898:
891:
886:
869:
857:
834:
829:
751:theropods like
737:
715:. The teeth of
665:
607:William Matthew
472:
428:
348:
336:
324:
306:
303:
274:
266:
253:
244:Ceratopsomorpha
240:
224:
211:
195:
179:
119:
111:
109:
108:
107:
106:
101:
96:
91:
86:
81:
76:
71:
66:
61:
56:
51:
46:
35:
34:
31:Late Cretaceous
27:
17:
12:
11:
5:
2520:
2518:
2510:
2509:
2504:
2499:
2494:
2489:
2484:
2479:
2474:
2469:
2459:
2458:
2452:
2451:
2449:
2448:
2435:
2422:
2409:
2393:
2391:
2385:
2384:
2379:
2370:
2369:
2367:
2366:
2356:
2349:
2346:
2345:
2342:
2341:
2327:
2325:
2322:
2321:
2318:
2317:
2314:
2313:
2310:
2309:
2307:
2306:
2299:
2292:
2285:
2277:
2275:
2269:
2268:
2266:
2265:
2257:
2250:
2243:
2235:
2233:
2224:
2218:
2217:
2215:
2214:
2207:
2204:Nasutoceratops
2200:
2193:
2186:
2178:
2176:
2170:
2169:
2167:
2166:
2163:Medusaceratops
2159:
2152:
2144:
2142:
2136:
2135:
2133:
2132:
2125:
2118:
2111:
2104:
2097:
2094:Diabloceratops
2089:
2083:
2081:Centrosaurinae
2077:
2076:
2073:
2072:
2070:
2069:
2062:
2055:
2052:Titanoceratops
2048:
2040:
2037:Regaliceratops
2033:
2026:
2019:
2011:
2009:
2007:Triceratopsini
2003:
2002:
2000:
1999:
1992:
1985:
1978:
1971:
1968:Sierraceratops
1964:
1957:
1954:Navajoceratops
1950:
1943:
1936:
1929:
1922:
1915:
1908:
1901:
1894:
1887:
1879:
1873:
1871:Chasmosaurinae
1867:
1866:
1864:
1863:
1856:
1849:
1842:
1835:
1832:Brachyceratops
1828:
1820:
1814:
1809:
1802:
1801:
1796:
1789:
1788:
1785:
1784:
1770:
1768:
1765:
1764:
1761:
1760:
1757:
1756:
1753:
1752:
1749:
1748:
1745:
1744:
1742:
1741:
1740:
1739:
1733:
1731:
1725:
1724:
1722:
1721:
1714:
1711:Turanoceratops
1707:
1698:
1692:
1686:
1685:
1683:
1682:
1675:
1668:
1661:
1652:
1650:
1641:
1635:
1634:
1632:
1631:
1624:
1621:Unescoceratops
1617:
1610:
1603:
1596:
1589:
1586:Ischioceratops
1582:
1579:Gryphoceratops
1575:
1568:
1561:
1554:
1547:
1539:
1537:
1531:
1530:
1528:
1527:
1519:
1513:
1508:
1505:
1504:
1501:
1500:
1498:
1497:
1489:
1482:
1474:
1472:
1466:
1465:
1463:
1462:
1459:Sasayamagnomus
1455:
1448:
1441:
1434:
1426:
1419:
1412:
1409:Auroraceratops
1405:
1398:
1389:
1379:
1374:
1371:
1370:
1367:
1366:
1364:
1363:
1356:
1349:
1342:
1335:
1332:Chaoyangsaurus
1327:
1325:
1319:
1318:
1316:
1315:
1312:Psittacosaurus
1308:
1301:
1293:
1283:
1278:
1271:
1270:
1265:
1258:
1257:
1254:
1253:
1250:
1249:
1246:
1245:
1242:
1241:
1239:
1238:
1237:
1236:
1230:
1228:
1222:
1221:
1219:
1218:
1217:
1216:
1207:
1201:
1195:
1194:
1192:
1191:
1190:
1189:
1180:
1174:
1164:
1163:
1159:
1158:
1149:
1140:
1131:
1125:
1116:
1109:
1108:
1103:
1101:
1100:
1093:
1086:
1078:
1072:
1071:
1054:
1053:
1034:
1015:
993:
989:The ceratopsia
980:
971:
969:(pp. 241-250).
958:
929:
909:
889:
867:
831:
830:
828:
825:
775:Ornithischians
763:and the small
736:
733:
675:, a family of
673:Trachodontidae
664:
663:Classification
661:
660:
659:
649:
646:D. haydenianus
643:
640:D. bicarinatus
629:
628:
589:tyrannosaurids
577:San Juan Basin
528:type specimens
510:strata of the
471:
468:
452:D. haydenianus
448:D. bicarinatus
427:
424:
418:were found in
412:tyrannosaurids
355:
354:
353:
352:
346:D. haydenianus
340:
328:
322:D. bicarinatus
313:
312:
311:Other species
308:
307:
304:
292:
291:
285:
284:
264:
260:
259:
251:
247:
246:
238:
231:
230:
222:
218:
217:
209:
202:
201:
199:Neornithischia
193:
186:
185:
177:
170:
169:
164:
157:
156:
151:
147:
146:
141:
137:
136:
131:
127:
126:
113:
112:
104:
103:
102:
97:
92:
87:
82:
77:
72:
67:
62:
57:
52:
47:
42:
41:
28:
15:
13:
10:
9:
6:
4:
3:
2:
2519:
2508:
2505:
2503:
2500:
2498:
2495:
2493:
2490:
2488:
2485:
2483:
2480:
2478:
2475:
2473:
2470:
2468:
2465:
2464:
2462:
2445:
2440:
2436:
2432:
2427:
2423:
2419:
2414:
2410:
2405:
2399:
2395:
2394:
2392:
2390:
2386:
2382:
2377:
2365:
2357:
2355:
2351:
2350:
2347:
2337:
2331:
2305:
2304:
2300:
2298:
2297:
2293:
2291:
2290:
2286:
2284:
2283:
2282:Achelousaurus
2279:
2278:
2276:
2274:
2270:
2263:
2262:
2261:Styracosaurus
2258:
2256:
2255:
2251:
2249:
2248:
2244:
2242:
2241:
2237:
2236:
2234:
2232:
2231:Centrosaurini
2228:
2225:
2223:
2222:Eucentrosaura
2219:
2213:
2212:
2208:
2206:
2205:
2201:
2199:
2198:
2194:
2192:
2191:
2187:
2185:
2184:
2180:
2179:
2177:
2175:
2171:
2165:
2164:
2160:
2158:
2157:
2153:
2151:
2150:
2146:
2145:
2143:
2141:
2137:
2131:
2130:
2126:
2124:
2123:
2122:Wendiceratops
2119:
2117:
2116:
2112:
2110:
2109:
2105:
2103:
2102:
2098:
2096:
2095:
2091:
2090:
2087:
2084:
2082:
2078:
2068:
2067:
2063:
2061:
2060:
2056:
2054:
2053:
2049:
2046:
2045:
2041:
2039:
2038:
2034:
2032:
2031:
2027:
2025:
2024:
2020:
2018:
2017:
2016:Eotriceratops
2013:
2012:
2010:
2008:
2004:
1998:
1997:
1993:
1991:
1990:
1986:
1984:
1983:
1979:
1977:
1976:
1972:
1970:
1969:
1965:
1963:
1962:
1961:Pentaceratops
1958:
1956:
1955:
1951:
1949:
1948:
1944:
1942:
1941:
1940:Kosmoceratops
1937:
1935:
1934:
1930:
1928:
1927:
1923:
1921:
1920:
1916:
1914:
1913:
1912:Bravoceratops
1909:
1907:
1906:
1905:Bisticeratops
1902:
1900:
1899:
1895:
1893:
1892:
1891:Anchiceratops
1888:
1886:
1885:
1884:Agujaceratops
1881:
1880:
1877:
1874:
1872:
1868:
1862:
1861:
1857:
1855:
1854:
1850:
1848:
1847:
1843:
1841:
1840:
1836:
1834:
1833:
1829:
1827:
1826:
1822:
1821:
1818:
1815:
1812:
1807:
1803:
1799:
1794:
1790:
1781:
1775:
1737:
1736:
1735:
1734:
1732:
1730:
1726:
1720:
1719:
1715:
1713:
1712:
1708:
1705:
1704:
1700:
1699:
1696:
1693:
1691:
1690:Ceratopsoidea
1687:
1681:
1680:
1679:Protoceratops
1676:
1674:
1673:
1672:Breviceratops
1669:
1667:
1666:
1662:
1659:
1658:
1654:
1653:
1651:
1649:
1645:
1642:
1640:
1636:
1630:
1629:
1625:
1623:
1622:
1618:
1616:
1615:
1614:Udanoceratops
1611:
1609:
1608:
1607:Prenoceratops
1604:
1602:
1601:
1597:
1595:
1594:
1593:Leptoceratops
1590:
1588:
1587:
1583:
1581:
1580:
1576:
1574:
1573:
1569:
1567:
1566:
1562:
1560:
1559:
1555:
1553:
1552:
1551:Bainoceratops
1548:
1546:
1545:
1541:
1540:
1538:
1536:
1532:
1526:
1525:
1521:
1520:
1517:
1514:
1511:
1506:
1495:
1494:
1490:
1488:
1487:
1486:Helioceratops
1483:
1481:
1480:
1476:
1475:
1473:
1471:
1467:
1461:
1460:
1456:
1454:
1453:
1452:Mosaiceratops
1449:
1447:
1446:
1442:
1440:
1439:
1435:
1432:
1431:
1427:
1425:
1424:
1423:Koreaceratops
1420:
1418:
1417:
1413:
1411:
1410:
1406:
1404:
1403:
1399:
1396:
1395:
1391:
1390:
1387:
1383:
1380:
1377:
1376:Neoceratopsia
1372:
1362:
1361:
1357:
1355:
1354:
1350:
1348:
1347:
1343:
1341:
1340:
1336:
1334:
1333:
1329:
1328:
1326:
1324:
1320:
1314:
1313:
1309:
1307:
1306:
1302:
1300:
1299:
1295:
1294:
1291:
1287:
1284:
1281:
1276:
1272:
1268:
1263:
1259:
1234:
1233:
1232:
1231:
1229:
1227:
1223:
1215:
1211:
1210:
1209:
1208:
1205:
1202:
1200:
1196:
1188:
1184:
1183:
1182:
1181:
1178:
1175:
1173:
1169:
1165:
1157:
1153:
1150:
1148:
1144:
1141:
1139:
1135:
1132:
1130:
1126:
1124:
1120:
1119:
1114:
1110:
1106:
1099:
1094:
1092:
1087:
1085:
1080:
1079:
1076:
1069:
1058:
1049:
1045:
1038:
1035:
1030:
1026:
1019:
1016:
1011:
1007:
1000:
998:
994:
990:
984:
981:
975:
972:
968:
962:
959:
948:
944:
938:
936:
934:
930:
926:
922:
916:
914:
910:
906:
902:
896:
894:
890:
884:
882:
880:
878:
876:
874:
872:
868:
864:
861:
855:
853:
851:
849:
847:
845:
843:
841:
839:
837:
833:
826:
824:
822:
821:
820:Palaeoscincus
817:
813:
811:
806:
804:
800:
795:
791:
790:
785:
784:
780:
776:
772:
770:
766:
762:
761:
756:
755:
750:
749:tyrannosaurid
746:
742:
734:
732:
730:
726:
725:Walter Coombs
722:
718:
714:
710:
706:
702:
698:
694:
690:
686:
682:
681:Hadrosauridae
678:
677:hadrosauroids
674:
670:
662:
657:
653:
650:
647:
644:
641:
638:
637:
636:
634:
626:
622:
618:
615:
614:
613:
610:
608:
604:
603:
598:
594:
590:
586:
582:
578:
574:
570:
568:
563:
559:
558:
557:Palaeoscincus
553:
549:
545:
541:
537:
533:
529:
525:
521:
517:
513:
509:
505:
501:
497:
495:
490:
489:
484:
481:in 1876 with
480:
476:
469:
467:
465:
461:
457:
453:
449:
445:
444:D. encaustus,
441:
437:
433:
425:
423:
421:
417:
413:
409:
405:
401:
397:
394:
390:
386:
382:
378:
374:
371:
367:
363:
362:
347:
341:
335:
329:
323:
317:
316:
314:
309:
302:
301:
293:
290:
286:
282:
278:
273:
272:
265:
262:
261:
258:
252:
249:
248:
245:
239:
236:
233:
232:
229:
228:Ceratopsoidea
223:
221:Superfamily:
220:
219:
216:
210:
207:
204:
203:
200:
194:
191:
188:
187:
184:
178:
175:
172:
171:
168:
165:
162:
159:
158:
155:
152:
149:
148:
145:
142:
139:
138:
135:
132:
129:
128:
123:
118:
114:
100:
95:
90:
85:
80:
75:
70:
65:
60:
55:
50:
45:
39:
36:79–74.9
32:
26:
22:
19:
2487:Nomina dubia
2388:
2301:
2296:Stellasaurus
2294:
2287:
2280:
2259:
2252:
2247:Coronosaurus
2245:
2240:Centrosaurus
2238:
2209:
2202:
2195:
2188:
2181:
2161:
2156:Lokiceratops
2154:
2147:
2129:Xenoceratops
2127:
2120:
2115:Sinoceratops
2113:
2106:
2099:
2092:
2064:
2057:
2050:
2042:
2035:
2028:
2023:Nedoceratops
2021:
2014:
1996:Vagaceratops
1994:
1989:Utahceratops
1987:
1982:Terminocavus
1980:
1973:
1966:
1959:
1952:
1945:
1938:
1933:Judiceratops
1931:
1924:
1919:Chasmosaurus
1917:
1910:
1903:
1896:
1889:
1882:
1858:
1851:
1845:
1844:
1837:
1830:
1823:
1811:Ceratopsidae
1798:Ceratopsidae
1729:Ceratopsidae
1718:Zuniceratops
1716:
1709:
1703:Ajkaceratops
1701:
1677:
1670:
1665:Bagaceratops
1663:
1657:Ajkaceratops
1655:
1639:Coronosauria
1626:
1619:
1612:
1605:
1598:
1591:
1584:
1577:
1570:
1563:
1556:
1549:
1544:Asiaceratops
1542:
1522:
1510:Euceratopsia
1493:Yamaceratops
1491:
1484:
1477:
1457:
1450:
1445:Microceratus
1443:
1438:Liaoceratops
1436:
1428:
1421:
1414:
1407:
1400:
1394:Ajkaceratops
1392:
1358:
1351:
1344:
1337:
1330:
1310:
1303:
1296:
1214:Ornithischia
1199:Ornithischia
1151:
1147:Ornithischia
1142:
1133:
1047:
1043:
1037:
1028:
1024:
1018:
1009:
1005:
988:
983:
974:
966:
961:
950:. Retrieved
946:
924:
920:
904:
900:
862:
818:
808:
797:
794:Ceratopsians
787:
781:
779:hadrosaurids
767:
758:
752:
738:
735:Paleoecology
729:Peter Galton
721:stegosaurian
716:
709:D. encaustus
708:
704:
700:
696:
688:
668:
666:
651:
645:
639:
632:
630:
616:
611:
602:nomen dubium
600:
596:
585:D. encaustus
584:
565:
561:
555:
551:
531:
516:Judith River
514:east of the
503:
499:
492:
486:
482:
474:
473:
459:
451:
447:
443:
439:
435:
431:
429:
416:hadrosaurids
408:Ceratopsians
384:
360:
359:
358:
345:
333:
321:
299:
298:
289:Type species
270:
269:
257:Ceratopsidae
234:
205:
189:
183:Ornithischia
173:
160:
24:
18:
2467:Ceratopsids
2289:Einiosaurus
2183:Avaceratops
2066:Triceratops
2030:Ojoceratops
1853:Monoclonius
1565:Ferrisaurus
1430:Kulceratops
1050:(1): 37–38.
799:Monoclonius
765:Dromaeosaur
717:D. peiganus
713:ceratopsids
683:. In 1901,
652:D. peiganus
591:. In 1907,
552:D. peiganus
534:during the
504:D. peiganus
494:Hadrosaurus
460:D. peiganus
370:ceratopsian
334:D. peiganus
2461:Categories
2352:See also:
2059:Torosaurus
1975:Spiclypeus
1825:Agathaumas
1738:see below↓
1558:Cerasinops
1346:Stenopelix
1280:Ceratopsia
1267:Ceratopsia
1235:see below↓
1226:Ceratopsia
1138:Dinosauria
1105:Ceratopsia
1031:(157): 90.
952:2022-06-14
927:, 113-145.
907:, 985-986.
865:, 818-821.
827:References
816:ankylosaur
810:Pteropelyx
754:Aublysodon
693:Ceratopsia
625:Ceratopsia
581:New Mexico
458:. Lastly,
420:New Mexico
393:Cretaceous
381:Cretaceous
350:Cope, 1876
338:Cope, 1876
326:Cope, 1876
305:Cope, 1876
215:Ceratopsia
167:Dinosauria
1121:Kingdom:
783:Trachodon
745:Bone Wars
687:assigned
621:maxillary
567:Trachodon
536:Bone Wars
508:Campanian
426:Etymology
391:from the
377:Campanian
375:from the
140:Kingdom:
134:Eukaryota
2398:Wikidata
2389:Dysganus
2364:Category
2354:Timeline
1860:Polyonax
1846:Dysganus
1839:Ceratops
1402:Aquilops
1129:Chordata
1127:Phylum:
1123:Animalia
1012:: 27–28.
803:Ceratops
789:Cionodon
769:Zapsalis
760:Deinodon
705:Dysganus
697:Dysganus
689:Dysganus
669:Dysganus
633:Dysganus
597:Dysganus
562:Cionodon
548:New York
532:Dysganus
488:Cionodon
475:Dysganus
432:Dysganus
385:Dysganus
373:dinosaur
361:Dysganus
271:Dysganus
250:Family:
154:Chordata
150:Phylum:
144:Animalia
130:Domain:
25:Dysganus
2444:4947082
2431:1365546
2418:4823138
2404:Q311507
2254:Spinops
1572:Gremlin
1360:Yinlong
691:to the
656:dentary
575:of the
520:Montana
400:Montana
263:Genus:
105:↓
627:level.
612:Type:
440:-ganos
2426:IRMNG
1152:Clade
1143:Clade
1134:Clade
796:like
701:et al
366:genus
235:Clade
206:Clade
190:Clade
174:Clade
161:Clade
2413:GBIF
1212:see
1185:see
807:and
786:and
757:and
727:and
564:and
502:and
491:and
436:dys-
414:and
281:1876
277:Cope
44:Preęž’
1416:Beg
671:in
546:in
522:by
518:in
398:of
368:of
2463::
2441::
2428::
2415::
2400::
1154::
1145::
1136::
1046:.
1027:.
1010:40
1008:.
996:^
945:.
932:^
925:17
923:,
912:^
905:19
903:,
892:^
870:^
835:^
801:,
635::
605:.
422:.
279:,
237::
208::
192::
176::
163::
94:Pg
38:Ma
33:,
2264:?
2047:?
1706:?
1660:?
1496:?
1433:?
1397:?
1097:e
1090:t
1083:v
1048:5
1029:8
955:.
812:.
805:,
771:.
569:.
496:.
343:â€
331:â€
319:â€
296:â€
267:â€
254:â€
241:â€
225:â€
212:â€
196:â€
180:â€
99:N
89:K
84:J
79:T
74:P
69:C
64:D
59:S
54:O
49:ęž’
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