2638:
2336:
132:
2348:
2671:
2342:
1815:
1820:
111:
471:
and other eothyridids (characterized by large heads and relatively narrow bodies) more closely approximates what is predicted for the synapsid common ancestor than does the body plan of caseids (characterized by extremely small heads and barrel-shaped bodies). Therefore,
418:
and the number of dorsal vertebrae present in related synapsids. Adding the length of the skull gives a snout-vent length (the length of the body from the tip of the skull to hips) of 25 centimetres (9.8 in). Like other early synapsids,
410:
is uncertain. The length of the dorsal vertebral column (the length of vertebrae making up the back) can be estimated at around 20 centimetres (7.9 in) from the lengths of individual
476:
is one of the most important taxa in phylogenetic analyses and the features of its skeleton have an important bearing on the relationships of other synapsids. Below is a
2749:
2813:
2823:
2736:
1042:
423:
probably had sprawling limbs and a body set low to the ground. The front of the body may have been slightly elevated above the level of the hips.
2818:
2828:
969:
2808:
1052:
387:
is the thinness of the postorbital bar, a strut of bone separating the back of the orbit from a hole in the back of the skull called the
1080:
2637:
952:
Sumida, S. S.; Pelletier, V.; Berman, D. S. (2014). "New
Information on the Basal Pelycosaurian-Grade Synapsid Oedaleops".
2347:
2335:
1025:(Reptilia: Pelycosauria), a new genus and species from the Lower Permian of New Mexico, and the family Eothyrididae.
131:
279:, which dates back to the Wolfcampian stage of the Early Permian. All remains belong to the single known species
1159:
334:
used in most analyses of its evolutionary relationships. The more fragmentary specimens have been assigned to
338:
with caution because they are hard to distinguish from the bones of other Cutler
Formation synapsids such as
1186:
1073:
2691:
2539:
2341:
1814:
357:
330:) and a few isolated skull and postcranial fragments. The UCMP 35758 skull has been the sole specimen of
2775:
2446:
2420:
484:(2013) that shows many of the same relationships as those found in previous analyses, except for having
460:
2723:
2504:
2472:
464:
1819:
375:
or eye sockets and numerous teeth, the most of any caseasaur. It differs from its closest relative,
2803:
2562:
2674:
2221:
2080:
2033:
1066:
1047:
383:
that forms a greater portion of the upper margin of the orbit. Another distinguishing feature of
126:
2780:
2762:
2754:
2161:
2134:
965:
463:-most clade within Synapsida. With caseids and eothyridids are equally closely related to the
388:
315:
2767:
2191:
1930:
1790:
1433:
1005:
957:
272:
2257:
2100:
2040:
1900:
1856:
1144:
609:
411:
372:
353:
2585:
2516:
2214:
2143:
2063:
2026:
1984:
1975:
1727:
1631:
1576:
1565:
1522:
1488:
1398:
1273:
1171:
676:
599:
568:
371:
has a wide and low skull with a convex margin when viewed from the side. It has large
2797:
2659:
2528:
2287:
2279:
2200:
2150:
2120:
2110:
2047:
1907:
1865:
1662:
1647:
1620:
1599:
1461:
1454:
1370:
757:
724:
623:
268:
68:
30:
455:, which also includes a family of mostly herbivorous Early Permian synapsids called
2664:
2654:
2618:
2478:
2435:
2409:
2271:
2207:
2012:
1998:
1991:
1914:
1886:
1613:
1529:
1468:
1412:
1405:
1363:
1356:
1349:
1298:
707:
493:
444:
440:
380:
349:
296:
231:
205:
2493:
2461:
2264:
2243:
2019:
1879:
1872:
1837:
1780:
1770:
1698:
1606:
1501:
1329:
1307:
1288:
961:
662:
513:
452:
192:
43:
2714:
2608:
2598:
2551:
2378:
2365:
2299:
2229:
2177:
1961:
1893:
1740:
1655:
1640:
1550:
1543:
1515:
1440:
1426:
781:
640:
396:
340:
276:
88:
53:
996:: Do these Early Permian synapsids from Texas and New Mexico form a clade?".
2395:
2250:
1951:
1676:
1536:
1447:
1391:
1384:
1252:
1239:
1198:
1089:
829:
503:
477:
261:
176:
143:
93:
37:
2708:
2236:
2090:
2005:
1760:
1750:
1683:
1669:
1592:
1585:
1340:
1315:
1119:
1113:
1009:
846:
805:
551:
456:
323:
291:
264:
163:
83:
78:
63:
58:
48:
110:
2741:
1419:
1128:
98:
73:
2568:
1558:
1107:
153:
2685:
439:
from the Early
Permian of Texas. Langston placed both in the family
1377:
448:
271:
of the southwestern United States. Fossils have been found in the
2728:
319:
2689:
2363:
1835:
1237:
1100:
1062:
1058:
956:. Vertebrate Paleobiology and Paleoanthropology. p. 7.
406:
Because no tail bones are known, the total body length of
318:
in 1965 on the basis of a mostly complete skull (specimen
360:
vertebrae representing at least three new individuals.
2614:
2604:
2594:
2525:
2490:
2458:
2432:
2406:
2391:
2188:
2173:
2131:
2116:
2106:
2096:
2086:
2076:
1972:
1957:
1947:
1853:
1786:
1776:
1766:
1756:
1746:
1736:
1498:
1285:
1269:
459:. The majority of analyses place Caseasauria as the
238:
2698:
2583:
2550:
2524:
2515:
2489:
2457:
2431:
2405:
2376:
2298:
2187:
2160:
2130:
2061:
1971:
1928:
1852:
1725:
1697:
1630:
1575:
1497:
1486:
1339:
1297:
1284:
1250:
1197:
1170:
1143:
988:Reisz, R. R.; Godfrey, S. J.; Scott, D. (2009). "
348:were described in 2013, including many isolated
488:being more closely related to caseids than to
1074:
8:
435:has been interpreted as a close relative of
954:Early Evolutionary History of the Synapsida
2686:
2521:
2384:
2373:
2360:
2166:
2069:
1940:
1936:
1849:
1845:
1832:
1722:
1507:
1494:
1294:
1262:
1258:
1247:
1234:
1176:
1149:
1140:
1097:
1081:
1067:
1059:
109:
20:
480:from the phylogenetic analysis of Sumida
983:
981:
947:
945:
943:
939:
314:was first described by paleontologist
2814:Cisuralian synapsids of North America
7:
821:
797:
773:
749:
699:
692:
668:
615:
605:
543:
519:
509:
499:
2824:Cisuralian genus first appearances
998:Journal of Vertebrate Paleontology
303:, it was probably an insectivore.
295:, and both are part of the family
14:
2670:
2669:
2636:
2346:
2340:
2334:
1818:
1813:
451:or evolutionary grouping called
447:analyses place eothyridids in a
130:
467:of synapsids, the body plan of
1:
2819:Fossil taxa described in 1965
2829:Cisuralian genus extinctions
2809:Prehistoric synapsid genera
962:10.1007/978-94-007-6841-3_2
2845:
431:Since its naming in 1965,
344:. Additional specimens of
16:Extinct genus of synapsids
2649:
2634:
2387:
2372:
2359:
2332:
2169:
2072:
1943:
1939:
1848:
1844:
1831:
1811:
1721:
1510:
1265:
1261:
1246:
1233:
1179:
1152:
1139:
1096:
843:
826:
819:
802:
795:
778:
771:
754:
747:
721:
704:
697:
690:
673:
666:
637:
620:
613:
603:
565:
548:
541:
524:
517:
507:
399:teeth and blunt snout of
237:
230:
127:Scientific classification
125:
117:
108:
23:
1055:(picture of a skullcast)
289:was closely related to
260:is an extinct genus of
2776:Paleobiology Database
1027:Bull. Texas Mem. Mus.
492:(making Eothyrididae
1010:10.1671/039.029.0112
465:last common ancestor
356:and limb bones, and
1053:gatito.valdosta.edu
1021:Langston, W. 1965.
443:. Since 1980, most
395:lacks the enlarged
352:(lower jaw bones),
2791:
2790:
2763:Open Tree of Life
2692:Taxon identifiers
2683:
2682:
2645:
2644:
2632:
2631:
2628:
2627:
2579:
2578:
2355:
2354:
2330:
2329:
2326:
2325:
2322:
2321:
2318:
2317:
2162:Sphenacodontoidea
2135:Palaeohatteriidae
2057:
2056:
1924:
1923:
1827:
1826:
1809:
1808:
1805:
1804:
1801:
1800:
1717:
1716:
1693:
1692:
1482:
1481:
1478:
1477:
1229:
1228:
1225:
1224:
1221:
1220:
1217:
1216:
971:978-94-007-6840-6
930:
929:
921:
920:
912:
911:
903:
902:
894:
893:
885:
884:
876:
875:
867:
866:
858:
857:
736:
735:
652:
651:
589:
588:
580:
579:
389:temporal fenestra
316:Wann Langston Jr.
253:
252:
226:
2836:
2784:
2783:
2771:
2770:
2758:
2757:
2745:
2744:
2732:
2731:
2719:
2718:
2717:
2687:
2673:
2672:
2640:
2616:
2606:
2596:
2527:
2522:
2492:
2460:
2434:
2408:
2393:
2385:
2374:
2361:
2350:
2344:
2338:
2192:Sphenacodontidae
2190:
2175:
2167:
2133:
2118:
2108:
2098:
2088:
2078:
2070:
1974:
1959:
1949:
1941:
1937:
1931:Haptodontiformes
1855:
1850:
1846:
1833:
1822:
1817:
1791:Protoclepsydrops
1788:
1778:
1768:
1758:
1748:
1738:
1723:
1508:
1500:
1495:
1434:Lalieudorhynchus
1295:
1287:
1271:
1263:
1259:
1248:
1235:
1177:
1150:
1141:
1134:
1133:
1098:
1083:
1076:
1069:
1060:
1014:
1013:
985:
976:
975:
949:
822:
798:
774:
750:
700:
693:
669:
616:
606:
544:
520:
510:
500:
412:dorsal vertebrae
273:Cutler Formation
240:
224:
217:
204:
191:
135:
134:
113:
103:
40:
29:Temporal range:
21:
2844:
2843:
2839:
2838:
2837:
2835:
2834:
2833:
2794:
2793:
2792:
2787:
2779:
2774:
2766:
2761:
2753:
2748:
2740:
2735:
2727:
2722:
2713:
2712:
2707:
2694:
2684:
2679:
2641:
2624:
2575:
2546:
2511:
2485:
2453:
2427:
2401:
2381:
2368:
2351:
2314:
2294:
2258:Secodontosaurus
2183:
2156:
2126:
2101:Hypselohaptodus
2066:
2053:
2041:Remigiomontanus
1967:
1933:
1920:
1901:Stereophallodon
1857:Ophiacodontidae
1840:
1823:
1797:
1713:
1689:
1626:
1571:
1491:
1474:
1335:
1280:
1255:
1242:
1213:
1193:
1166:
1160:Tetrapodomorpha
1145:Tetrapodomorpha
1135:
1103:
1102:
1092:
1087:
1043:www.palaeos.com
1039:
1023:Oedaleops campi
1018:
1017:
987:
986:
979:
972:
951:
950:
941:
936:
931:
922:
913:
904:
895:
886:
877:
868:
859:
737:
653:
610:Ophiacodontidae
590:
581:
429:
366:
309:
282:Oedaleops campi
249:
246:
243:Oedaleops campi
223:
215:
202:
189:
129:
120:Oedaleops campi
118:Restoration of
104:
102:
101:
96:
91:
86:
81:
76:
71:
66:
61:
56:
51:
46:
35:
34:
27:
17:
12:
11:
5:
2842:
2840:
2832:
2831:
2826:
2821:
2816:
2811:
2806:
2796:
2795:
2789:
2788:
2786:
2785:
2772:
2759:
2746:
2733:
2720:
2704:
2702:
2696:
2695:
2690:
2681:
2680:
2678:
2677:
2667:
2662:
2657:
2650:
2647:
2646:
2643:
2642:
2635:
2633:
2630:
2629:
2626:
2625:
2623:
2622:
2612:
2602:
2591:
2589:
2586:Incertae sedis
2581:
2580:
2577:
2576:
2574:
2573:
2572:
2571:
2565:
2556:
2554:
2548:
2547:
2545:
2544:
2543:
2542:
2533:
2531:
2519:
2517:Eutheriodontia
2513:
2512:
2510:
2509:
2508:
2507:
2498:
2496:
2487:
2486:
2484:
2483:
2482:
2481:
2475:
2466:
2464:
2455:
2454:
2452:
2451:
2450:
2449:
2440:
2438:
2429:
2428:
2426:
2425:
2424:
2423:
2414:
2412:
2403:
2402:
2400:
2399:
2388:
2382:
2377:
2370:
2369:
2364:
2357:
2356:
2353:
2352:
2333:
2331:
2328:
2327:
2324:
2323:
2320:
2319:
2316:
2315:
2313:
2312:
2311:
2310:
2304:
2302:
2296:
2295:
2293:
2292:
2284:
2276:
2268:
2261:
2254:
2247:
2240:
2233:
2226:
2218:
2215:Ctenospondylus
2211:
2204:
2196:
2194:
2185:
2184:
2182:
2181:
2170:
2164:
2158:
2157:
2155:
2154:
2147:
2144:Palaeohatteria
2139:
2137:
2128:
2127:
2125:
2124:
2114:
2104:
2094:
2084:
2073:
2067:
2064:Sphenacodontia
2062:
2059:
2058:
2055:
2054:
2052:
2051:
2044:
2037:
2030:
2027:Melanedaphodon
2023:
2016:
2009:
2002:
1995:
1988:
1985:Bohemiclavulus
1980:
1978:
1976:Edaphosauridae
1969:
1968:
1966:
1965:
1955:
1944:
1934:
1929:
1926:
1925:
1922:
1921:
1919:
1918:
1911:
1904:
1897:
1890:
1883:
1876:
1869:
1861:
1859:
1842:
1841:
1836:
1829:
1828:
1825:
1824:
1812:
1810:
1807:
1806:
1803:
1802:
1799:
1798:
1796:
1795:
1784:
1774:
1764:
1754:
1744:
1733:
1731:
1728:Incertae sedis
1719:
1718:
1715:
1714:
1712:
1711:
1710:
1709:
1703:
1701:
1695:
1694:
1691:
1690:
1688:
1687:
1680:
1673:
1666:
1659:
1652:
1644:
1636:
1634:
1632:Varanodontinae
1628:
1627:
1625:
1624:
1617:
1610:
1603:
1596:
1589:
1581:
1579:
1577:Mesenosaurinae
1573:
1572:
1570:
1569:
1566:Thrausmosaurus
1562:
1555:
1547:
1540:
1533:
1526:
1523:Archaeovenator
1519:
1511:
1505:
1492:
1489:Eupelycosauria
1487:
1484:
1483:
1480:
1479:
1476:
1475:
1473:
1472:
1465:
1458:
1451:
1444:
1437:
1430:
1423:
1416:
1409:
1402:
1399:Cotylorhynchus
1395:
1388:
1381:
1374:
1367:
1360:
1353:
1345:
1343:
1337:
1336:
1334:
1333:
1326:
1319:
1312:
1303:
1301:
1292:
1282:
1281:
1279:
1278:
1274:Diadectomorpha
1266:
1256:
1251:
1244:
1243:
1238:
1231:
1230:
1227:
1226:
1223:
1222:
1219:
1218:
1215:
1214:
1212:
1211:
1210:
1209:
1203:
1201:
1195:
1194:
1192:
1191:
1190:
1189:
1187:Reptiliomorpha
1180:
1174:
1172:Reptiliomorpha
1168:
1167:
1165:
1164:
1163:
1162:
1153:
1147:
1137:
1136:
1132:
1131:
1122:
1116:
1110:
1101:
1094:
1093:
1088:
1086:
1085:
1078:
1071:
1063:
1057:
1056:
1050:
1048:www.kheper.net
1045:
1038:
1037:External links
1035:
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1016:
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691:
689:
686:
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682:
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677:Archaeovenator
672:
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649:
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645:
636:
633:
632:
629:
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600:Eupelycosauria
596:
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592:
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569:Cotylorhynchus
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379:, in having a
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358:disarticulated
308:
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251:
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248:Langston, 1965
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228:
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225:Langston, 1965
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2830:
2827:
2825:
2822:
2820:
2817:
2815:
2812:
2810:
2807:
2805:
2802:
2801:
2799:
2782:
2777:
2773:
2769:
2764:
2760:
2756:
2751:
2747:
2743:
2738:
2734:
2730:
2725:
2721:
2716:
2710:
2706:
2705:
2703:
2701:
2697:
2693:
2688:
2676:
2668:
2666:
2663:
2661:
2660:Phthinosuchia
2658:
2656:
2652:
2651:
2648:
2639:
2621:
2620:
2613:
2611:
2610:
2603:
2601:
2600:
2593:
2592:
2590:
2588:
2587:
2582:
2570:
2566:
2564:
2560:
2559:
2558:
2557:
2555:
2553:
2549:
2541:
2540:Therocephalia
2537:
2536:
2535:
2534:
2532:
2530:
2529:Therocephalia
2523:
2520:
2518:
2514:
2506:
2502:
2501:
2500:
2499:
2497:
2495:
2488:
2480:
2476:
2474:
2470:
2469:
2468:
2467:
2465:
2463:
2456:
2448:
2444:
2443:
2442:
2441:
2439:
2437:
2430:
2422:
2418:
2417:
2416:
2415:
2413:
2411:
2404:
2398:
2397:
2390:
2389:
2386:
2383:
2380:
2375:
2371:
2367:
2362:
2358:
2349:
2345:
2343:
2337:
2308:
2307:
2306:
2305:
2303:
2301:
2297:
2290:
2289:
2288:Tetraceratops
2285:
2282:
2281:
2280:Tappenosaurus
2277:
2274:
2273:
2269:
2267:
2266:
2262:
2260:
2259:
2255:
2253:
2252:
2248:
2246:
2245:
2241:
2239:
2238:
2234:
2232:
2231:
2227:
2224:
2223:
2219:
2217:
2216:
2212:
2210:
2209:
2205:
2203:
2202:
2201:Cryptovenator
2198:
2197:
2195:
2193:
2186:
2180:
2179:
2172:
2171:
2168:
2165:
2163:
2159:
2153:
2152:
2151:Pantelosaurus
2148:
2146:
2145:
2141:
2140:
2138:
2136:
2129:
2123:
2122:
2121:Tetraceratops
2115:
2113:
2112:
2111:Kenomagnathus
2105:
2103:
2102:
2095:
2093:
2092:
2085:
2083:
2082:
2075:
2074:
2071:
2068:
2065:
2060:
2050:
2049:
2048:Xyrospondylus
2045:
2043:
2042:
2038:
2036:
2035:
2031:
2029:
2028:
2024:
2022:
2021:
2017:
2015:
2014:
2010:
2008:
2007:
2003:
2001:
2000:
1996:
1994:
1993:
1989:
1987:
1986:
1982:
1981:
1979:
1977:
1970:
1964:
1963:
1956:
1954:
1953:
1946:
1945:
1942:
1938:
1935:
1932:
1927:
1917:
1916:
1912:
1910:
1909:
1908:Stereorhachis
1905:
1903:
1902:
1898:
1896:
1895:
1891:
1889:
1888:
1884:
1882:
1881:
1877:
1875:
1874:
1870:
1868:
1867:
1866:Archaeothyris
1863:
1862:
1860:
1858:
1851:
1847:
1843:
1839:
1834:
1830:
1821:
1816:
1793:
1792:
1785:
1783:
1782:
1775:
1773:
1772:
1765:
1763:
1762:
1755:
1753:
1752:
1745:
1743:
1742:
1735:
1734:
1732:
1730:
1729:
1724:
1720:
1707:
1706:
1705:
1704:
1702:
1700:
1696:
1686:
1685:
1681:
1679:
1678:
1674:
1672:
1671:
1667:
1665:
1664:
1663:Tambacarnifex
1660:
1658:
1657:
1653:
1650:
1649:
1648:Mycterosaurus
1645:
1643:
1642:
1638:
1637:
1635:
1633:
1629:
1623:
1622:
1621:Microvaranops
1618:
1616:
1615:
1611:
1609:
1608:
1604:
1602:
1601:
1600:Elliotsmithia
1597:
1595:
1594:
1590:
1588:
1587:
1583:
1582:
1580:
1578:
1574:
1568:
1567:
1563:
1561:
1560:
1556:
1553:
1552:
1548:
1546:
1545:
1541:
1539:
1538:
1534:
1532:
1531:
1527:
1525:
1524:
1520:
1518:
1517:
1513:
1512:
1509:
1506:
1503:
1496:
1493:
1490:
1485:
1471:
1470:
1466:
1464:
1463:
1462:Ruthenosaurus
1459:
1457:
1456:
1455:Phreatophasma
1452:
1450:
1449:
1445:
1443:
1442:
1438:
1436:
1435:
1431:
1429:
1428:
1424:
1422:
1421:
1417:
1415:
1414:
1410:
1408:
1407:
1403:
1401:
1400:
1396:
1394:
1393:
1389:
1387:
1386:
1382:
1380:
1379:
1375:
1373:
1372:
1371:Callibrachion
1368:
1366:
1365:
1361:
1359:
1358:
1354:
1352:
1351:
1347:
1346:
1344:
1342:
1338:
1332:
1331:
1327:
1325:
1324:
1320:
1318:
1317:
1313:
1310:
1309:
1305:
1304:
1302:
1300:
1296:
1293:
1290:
1283:
1276:
1275:
1268:
1267:
1264:
1260:
1257:
1254:
1249:
1245:
1241:
1236:
1232:
1207:
1206:
1205:
1204:
1202:
1200:
1196:
1188:
1184:
1183:
1182:
1181:
1178:
1175:
1173:
1169:
1161:
1157:
1156:
1155:
1154:
1151:
1148:
1146:
1142:
1138:
1130:
1126:
1123:
1121:
1117:
1115:
1111:
1109:
1105:
1104:
1099:
1095:
1091:
1084:
1079:
1077:
1072:
1070:
1065:
1064:
1061:
1054:
1051:
1049:
1046:
1044:
1041:
1040:
1036:
1031:
1028:
1024:
1020:
1019:
1011:
1007:
1003:
999:
995:
991:
984:
982:
978:
973:
967:
963:
959:
955:
948:
946:
944:
940:
933:
926:
925:
917:
916:
908:
907:
899:
898:
890:
889:
881:
880:
872:
871:
863:
862:
854:
853:
850:
849:
848:
841:
840:
837:
836:
833:
832:
831:
824:
823:
817:
816:
813:
812:
809:
808:
807:
800:
799:
793:
792:
789:
788:
785:
784:
783:
776:
775:
769:
768:
765:
764:
761:
760:
759:
758:Elliotsmithia
752:
751:
745:
744:
741:
740:
732:
731:
728:
727:
726:
725:Mycterosaurus
719:
718:
715:
714:
711:
710:
709:
702:
701:
695:
694:
688:
687:
684:
683:
680:
679:
678:
671:
670:
664:
661:
660:
657:
656:
648:
647:
644:
643:
642:
635:
634:
631:
630:
627:
626:
625:
624:Archaeothyris
618:
617:
611:
608:
607:
601:
598:
597:
594:
593:
585:
584:
576:
575:
572:
571:
570:
563:
562:
559:
558:
555:
554:
553:
546:
545:
539:
538:
535:
534:
531:
530:
529:
522:
521:
515:
512:
511:
505:
502:
501:
497:
495:
491:
487:
483:
479:
475:
470:
466:
462:
458:
454:
450:
446:
442:
438:
434:
427:Relationships
426:
424:
422:
417:
413:
409:
404:
402:
398:
394:
390:
386:
382:
378:
374:
370:
363:
361:
359:
355:
351:
347:
343:
342:
337:
333:
329:
325:
321:
317:
313:
306:
304:
302:
298:
294:
293:
288:
284:
283:
278:
274:
270:
269:Early Permian
266:
263:
259:
258:
245:
244:
236:
233:
229:
222:
221:
214:
211:
210:
207:
201:
198:
197:
194:
188:
185:
182:
181:
178:
175:
172:
169:
168:
165:
162:
159:
158:
155:
152:
149:
148:
145:
142:
139:
138:
133:
128:
124:
121:
116:
112:
107:
100:
95:
90:
85:
80:
75:
70:
65:
60:
55:
50:
45:
39:
36:299–280
32:
31:Early Permian
26:
22:
19:
2699:
2665:Theriodontia
2655:Pelycosauria
2619:Niaftasuchus
2617:
2607:
2597:
2584:
2447:Dinocephalia
2436:Dinocephalia
2421:Biarmosuchia
2410:Biarmosuchia
2394:
2339:
2286:
2278:
2272:Steppesaurus
2270:
2263:
2256:
2249:
2242:
2235:
2228:
2220:
2213:
2208:Ctenorhachis
2206:
2199:
2176:
2149:
2142:
2119:
2109:
2099:
2089:
2079:
2046:
2039:
2032:
2025:
2018:
2013:Ianthasaurus
2011:
2004:
1999:Glaucosaurus
1997:
1992:Edaphosaurus
1990:
1983:
1960:
1950:
1915:Varanosaurus
1913:
1906:
1899:
1892:
1887:Echinerpeton
1885:
1878:
1871:
1864:
1789:
1779:
1769:
1759:
1749:
1739:
1726:
1682:
1675:
1668:
1661:
1654:
1646:
1639:
1619:
1614:Mesenosaurus
1612:
1605:
1598:
1591:
1584:
1564:
1557:
1549:
1542:
1535:
1530:Ascendonanus
1528:
1521:
1514:
1469:Trichasaurus
1467:
1460:
1453:
1446:
1439:
1432:
1425:
1418:
1413:Ennatosaurus
1411:
1406:Datheosaurus
1404:
1397:
1390:
1383:
1376:
1369:
1364:Arisierpeton
1362:
1357:Angelosaurus
1355:
1350:Alierasaurus
1348:
1328:
1322:
1321:
1314:
1306:
1299:Eothyrididae
1272:
1124:
1118:Superclass:
1029:
1026:
1022:
1001:
997:
993:
989:
953:
845:
844:
828:
827:
804:
803:
780:
779:
756:
755:
723:
722:
708:Mesenosaurus
706:
705:
675:
674:
639:
638:
622:
621:
567:
566:
550:
549:
527:
526:
525:
494:paraphyletic
489:
485:
481:
473:
468:
445:phylogenetic
441:Eothyrididae
436:
432:
430:
420:
415:
407:
405:
400:
392:
384:
381:frontal bone
376:
368:
367:
345:
339:
335:
331:
327:
311:
310:
300:
297:Eothyrididae
290:
286:
281:
280:
256:
255:
254:
242:
241:
232:Type species
219:
218:
206:Eothyrididae
183:
170:
119:
24:
18:
2505:Gorgonopsia
2494:Gorgonopsia
2479:dicynodonts
2473:Anomodontia
2462:Anomodontia
2265:Sphenacodon
2244:Macromerion
2034:Ramodendron
2020:Lupeosaurus
1880:Clepsydrops
1873:Baldwinonus
1838:Metopophora
1781:Mastersonia
1771:Knoxosaurus
1699:Metopophora
1607:Heleosaurus
1502:Varanopidae
1330:Vaughnictis
1308:Asaphestera
1289:Caseasauria
663:Varanopidae
514:Caseasauria
453:Caseasauria
364:Description
322:35758, the
193:Caseasauria
2804:Caseasaurs
2798:Categories
2653:See also:
2609:Kamagorgon
2599:Dinosaurus
2563:Cynodontia
2552:Cynodontia
2379:Therapsida
2366:Therapsida
2309:see below↓
2300:Therapsida
2230:Dimetrodon
2178:Shashajaia
1962:Milosaurus
1894:Ophiacodon
1741:Dimacrodon
1708:see below↓
1656:Ruthiromia
1641:Aerosaurus
1551:Nitosaurus
1544:Dendromaia
1516:Apsisaurus
1441:Martensius
1427:Euromycter
1208:see below↓
934:References
782:Aerosaurus
641:Ophiacodon
397:caniniform
341:Aerosaurus
277:New Mexico
2700:Oedaleops
2567:includes
2477:includes
2396:Raranimus
2251:Neosaurus
1952:Ianthodon
1677:Varanodon
1537:Eoscansor
1448:Oromycter
1392:Caseopsis
1385:Caseoides
1323:Oedaleops
1253:Synapsida
1240:Synapsida
1199:Synapsida
1120:Tetrapoda
1106:Kingdom:
1090:Synapsida
994:Oedaleops
830:Varanodon
528:Oedaleops
504:Synapsida
490:Oedaleops
478:cladogram
474:Oedaleops
469:Oedaleops
433:Oedaleops
421:Oedaleops
416:Oedaleops
408:Oedaleops
393:Oedaleops
385:Oedaleops
369:Oedaleops
350:dentaries
346:Oedaleops
336:Oedaleops
332:Oedaleops
328:Oedaleops
312:Oedaleops
307:Discovery
287:Oedaleops
267:from the
265:synapsids
262:caseasaur
257:Oedaleops
220:Oedaleops
177:Synapsida
150:Kingdom:
144:Eukaryota
25:Oedaleops
2729:10519710
2715:Q3282065
2709:Wikidata
2675:Category
2237:Eosyodon
2222:Cutleria
2091:Haptodus
2081:Cutleria
2006:Gordodon
1761:Gorgodon
1751:Driveria
1684:Watongia
1670:Varanops
1593:Cabarzia
1586:Anningia
1341:Caseidae
1316:Eothyris
1114:Chordata
1112:Phylum:
1108:Animalia
990:Eothyris
847:Watongia
806:Varanops
552:Eothyris
486:Eothyris
457:Caseidae
437:Eothyris
401:Eothyris
377:Eothyris
354:pectoral
324:holotype
301:Eothyris
292:Eothyris
199:Family:
164:Chordata
160:Phylum:
154:Animalia
140:Domain:
2768:4126973
2755:1136060
2742:4819463
2569:mammals
1420:Eocasea
1129:Amniota
1032:: 1–47.
299:. Like
212:Genus:
1559:Pyozia
1004:: 39.
968:
482:et al.
373:orbits
2781:38900
2750:IRMNG
1378:Casea
1125:Clade
461:basal
449:clade
184:Clade
171:Clade
2737:GBIF
2561:see
2538:see
2503:see
2471:see
2445:see
2419:see
1185:see
1158:see
992:and
966:ISBN
320:UCMP
44:PreꞒ
2724:EoL
1006:doi
958:doi
496:):
414:in
326:of
275:in
2800::
2778::
2765::
2752::
2739::
2726::
2711::
1127::
1002:29
1000:.
980:^
964:.
942:^
403:.
391:.
285:.
186::
173::
94:Pg
38:Ma
33:,
2615:†
2605:†
2595:†
2526:†
2491:†
2459:†
2433:†
2407:†
2392:†
2291:?
2283:?
2275:?
2225:?
2189:†
2174:†
2132:†
2117:†
2107:†
2097:†
2087:†
2077:†
1973:†
1958:†
1948:†
1854:†
1794:?
1787:†
1777:†
1767:†
1757:†
1747:†
1737:†
1651:?
1554:?
1504:?
1499:†
1311:?
1291:?
1286:†
1277:?
1270:†
1082:e
1075:t
1068:v
1030:9
1012:.
1008::
974:.
960::
239:†
216:†
203:†
190:†
99:N
89:K
84:J
79:T
74:P
69:C
64:D
59:S
54:O
49:Ꞓ
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