Knowledge (XXG)

Euryapsida

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1950: 1957: 2115: 28: 1167: 1172: 1944: 160: 2139: 121:. With the exception of mesosaurs, which only have the lower temporal opening, all of these are universally agreed to be diapsids which either secondarily closed the lower opening (araeoscelids, trilophosaurs) or lost the lower bar (squamates, pleurosaurs, protorosaurs). 92:
Historically, a variety of reptiles with upper fenestrae, either alone or with a lower emargination, have been considered euryapsid or parapsid, and to have had their patterns of fenestration originate separately from those of diapsids. This includes
54:, which also have a single opening behind the orbit, by the placement of the fenestra. In synapsids, this opening is below the articulation of the post-orbital and squamosal bones. It is now commonly believed that euryapsids (particularly 85:) condition instead of a truly euryapsid one. In ichthyosaurs, the squamosal bone is never part of the fenestra's margin. Parapsida was originally a taxon consisting of ichthyosaurs, squamates, protorosaurs, araeoscelidans and 490:
Wolniewicz, Andrzej S; Shen, Yuefeng; Li, Qiang; Sun, Yuanyuan; Qiao, Yu; Chen, Yajie; Hu, Yi-Wei; Liu, Jun (2023-08-08). Ibrahim, Nizar; Perry, George H; Benton, Michael (eds.).
2180: 62:(which have two fenestrae behind the orbit) that lost the lower temporal fenestra. Euryapsids are usually considered entirely extinct, although 2209: 2204: 687: 604:
Jiang, Baoyu; He, Yiming; Elsler, Armin; Wang, Shengyu; Keating, Joseph N.; Song, Junyi; Kearns, Stuart L.; Benton, Michael J. (2023).
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might be part of the sauropterygian clade while other authors disagree. Euryapsida may also be a synonym of Sauropterygia
2199: 2166: 1713: 492:"An armoured marine reptile from the Early Triassic of South China and its phylogenetic and evolutionary implications" 1956: 1807: 1859: 778: 680: 141: 1765: 805: 341:"A new pachypleurosaur (Reptilia: Sauropterygia) from the Middle Triassic of Monte San Giorgio, Switzerland" 1902: 1739: 1126: 1687: 1166: 1171: 1943: 617: 562: 551:"European origin of placodont marine reptiles and the evolution of crushing dentition in Placodontia" 378:
Maisch, M. (2010). "Phylogeny, systematics, and origin of the Ichthyosauria – the state of the art".
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Die systematische Phylogenie (Dritter Theil/Systematische Phylogenie der Wirbelthiere (Vertebrata))
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Simões, Tiago R.; Kammerer, Christian F.; Caldwell, Michael W.; Pierce, Stephanie E. (2022-08-19).
133: 2057: 1702: 1486: 1441: 1404: 1219: 1073: 387: 340: 271:"Successive climate crises in the deep past drove the early evolution and radiation of reptiles" 1632: 2047: 2001: 1796: 651: 633: 586: 578: 531: 513: 360: 316: 298: 248: 2150: 1848: 1470: 1240: 922: 641: 625: 570: 521: 503: 352: 306: 290: 238: 183: 125: 1823: 1616: 1573: 1479: 1260: 992: 763: 450: 47: 646: 621: 605: 566: 526: 491: 286: 2077: 1754: 1523: 1500: 931: 888: 790: 311: 270: 179: 110: 86: 50:, under which the post-orbital and squamosal bones articulate. They are different from 2193: 2052: 2006: 1996: 1991: 1891: 1839: 1728: 1647: 1640: 1544: 1537: 1432: 1381: 1321: 1230: 1115: 1087: 1057: 1043: 1029: 55: 391: 2087: 2062: 2042: 2032: 1816: 1676: 1558: 1551: 1411: 1371: 1281: 1270: 1250: 983: 953: 945: 938: 665: 118: 106: 94: 39: 27: 345:
Philosophical Transactions of the Royal Society of London. B, Biological Sciences
227:"Turtle origins: insights from phylogenetic retrofitting and molecular scaffolds" 2067: 2011: 1782: 1661: 1625: 1602: 1595: 1565: 1514: 1456: 1395: 1301: 1291: 1094: 961: 159: 153: 114: 74: 629: 2082: 2037: 1879: 1588: 1530: 1449: 1361: 1351: 1341: 1080: 1036: 999: 908: 871: 858: 817: 696: 149: 137: 43: 637: 582: 550: 517: 364: 302: 1868: 1580: 1493: 1006: 898: 205: 175:
have also been used for a taxon including ichthyosaurs and sauropterygians.
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that are distinguished by a single temporal fenestra, an opening behind the
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for a taxon including sauropterygians, turtles and rhynchocephalians.
1911: 1777: 726: 63: 42:(unnatural, as the various members are not closely related) group of 549:
Neenan, James M.; Klein, Nicole; Scheyer, Torsten M. (2013-03-27).
1311: 158: 26: 1875: 606:"Extended embryo retention and viviparity in the first amniotes" 1973: 1187: 856: 719: 669: 144:
later resurrected the taxon, including only Sauropterygia (
178:
Some 21st century studies have found that ichthyosaurs,
2154: 439:(3rd ed.). Chicago: University of Chicago Press. 140:
removed the rhynchocephalians from Synaptosauria and
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and sauropterygians were close relatives, either as
2020: 1984: 1890: 1847: 1838: 1795: 1776: 1750: 1724: 1698: 1672: 1612: 1510: 1466: 1428: 1391: 1200: 1137: 1111: 1053: 1016: 979: 918: 869: 816: 789: 762: 2174: 681: 8: 2181: 2167: 1981: 1970: 1844: 1792: 1208: 1197: 1184: 877: 866: 853: 795: 768: 759: 716: 688: 674: 666: 645: 525: 507: 310: 242: 77:skull is sometimes described as having a 217: 128:as a substitute for the earlier term 7: 2135: 2133: 334: 332: 330: 264: 262: 2153:. You can help Knowledge (XXG) by 405:Williston, Samuel Wendell (1925). 25: 2137: 2114: 2113: 1955: 1948: 1942: 1170: 1165: 435:Romer, Alfred Sherwood (1966). 420:Romer, Alfred Sherwood (1956). 339:Rieppel, Olivier (1989-01-04). 231:Journal of Evolutionary Biology 610:Nature Ecology & Evolution 1: 2210:Prehistoric reptile taxonomy 479:. Vol. 3. Georg Reimer. 2205:Prehistoric marine reptiles 124:Euryapsida was proposed by 2231: 2132: 630:10.1038/s41559-023-02074-0 2215:Prehistoric reptile stubs 2109: 1980: 1969: 1940: 1211: 1196: 1183: 1163: 880: 865: 852: 798: 771: 758: 715: 422:Osteology of the Reptiles 407:Osteology of the Reptiles 132:, originally created by 475:Haeckel, Ernst (1895). 437:Vertebrate Paleontology 357:10.1098/rstb.1989.0001 295:10.1126/sciadv.abq1898 225:Lee, M. S. Y. (2013). 164: 32: 2145:This article about a 555:Nature Communications 186:or as stem-saurians. 162: 30: 2200:Polyphyletic groups 2147:prehistoric reptile 1985:Possible sauropsids 622:2023NatEE...7.1131J 567:2013NatCo...4.1621N 509:10.7554/eLife.83163 287:2022SciA....8.1898S 2058:Procolophonomorpha 1714:Ichthyosauromorpha 1703:Ichthyosauromorpha 1515:Drepanosauromorpha 1442:Acerosodontosaurus 575:10.1038/ncomms2633 165: 33: 31:A euryapsid skull. 2162: 2161: 2127: 2126: 2105: 2104: 2101: 2100: 2048:Lanthanosuchoidea 2002:Protorothyrididae 1965: 1964: 1938: 1937: 1934: 1933: 1930: 1929: 1926: 1925: 1824:rhynchocephalians 1808:Lepidosauromorpha 1797:Lepidosauromorpha 1179: 1178: 1161: 1160: 1157: 1156: 848: 847: 844: 843: 840: 839: 836: 835: 244:10.1111/jeb.12268 237:(12): 2729–2738. 163:A parapsid skull. 16:(Redirected from 2222: 2183: 2176: 2169: 2141: 2134: 2117: 2116: 1982: 1971: 1960: 1959: 1952: 1946: 1860:Archosauromorpha 1849:Archosauromorpha 1845: 1793: 1753: 1727: 1701: 1675: 1615: 1513: 1471:Weigeltisauridae 1469: 1431: 1394: 1379: 1369: 1359: 1349: 1339: 1329: 1319: 1309: 1299: 1289: 1279: 1268: 1258: 1248: 1241:Cryptovaranoides 1238: 1228: 1217: 1209: 1198: 1185: 1174: 1169: 1114: 1056: 1019: 982: 923:Acleistorhinidae 921: 906: 896: 886: 878: 867: 854: 796: 769: 760: 753: 752: 717: 710: 701: 690: 683: 676: 667: 660: 659: 649: 616:(7): 1131–1140. 601: 595: 594: 546: 540: 539: 529: 511: 487: 481: 480: 472: 466: 465: 463: 461: 447: 441: 440: 432: 426: 425: 417: 411: 410: 402: 396: 395: 375: 369: 368: 336: 325: 324: 314: 281:(33): eabq1898. 275:Science Advances 266: 257: 256: 246: 222: 126:Edwin H. Colbert 21: 2230: 2229: 2225: 2224: 2223: 2221: 2220: 2219: 2190: 2189: 2188: 2187: 2130: 2128: 2123: 2097: 2016: 1976: 1961: 1954: 1922: 1886: 1834: 1780: 1772: 1746: 1720: 1694: 1668: 1617:Kuehneosauridae 1608: 1574:Megalancosaurus 1506: 1480:Coelurosauravus 1462: 1424: 1387: 1261:Elachistosuchus 1205: 1192: 1175: 1153: 1133: 1107: 1049: 1012: 975: 914: 874: 861: 832: 812: 785: 779:Tetrapodomorpha 764:Tetrapodomorpha 754: 722: 721: 711: 705: 699: 694: 664: 663: 603: 602: 598: 548: 547: 543: 489: 488: 484: 474: 473: 469: 459: 457: 455:Merriam-Webster 449: 448: 444: 434: 433: 429: 419: 418: 414: 404: 403: 399: 380:Palaeodiversity 377: 376: 372: 338: 337: 328: 268: 267: 260: 224: 223: 219: 214: 192: 184:stem-archosaurs 111:weigeltisaurids 56:sauropterygians 23: 22: 15: 12: 11: 5: 2228: 2226: 2218: 2217: 2212: 2207: 2202: 2192: 2191: 2186: 2185: 2178: 2171: 2163: 2160: 2159: 2142: 2125: 2124: 2122: 2121: 2110: 2107: 2106: 2103: 2102: 2099: 2098: 2096: 2095: 2090: 2085: 2080: 2078:Younginiformes 2075: 2070: 2065: 2060: 2055: 2050: 2045: 2040: 2035: 2030: 2024: 2022: 2018: 2017: 2015: 2014: 2009: 2004: 1999: 1994: 1988: 1986: 1978: 1977: 1974: 1967: 1966: 1963: 1962: 1941: 1939: 1936: 1935: 1932: 1931: 1928: 1927: 1924: 1923: 1921: 1920: 1919: 1918: 1907: 1906: 1905: 1896: 1894: 1888: 1887: 1885: 1884: 1883: 1882: 1864: 1863: 1862: 1853: 1851: 1842: 1836: 1835: 1833: 1832: 1831: 1830: 1812: 1811: 1810: 1801: 1799: 1790: 1774: 1773: 1771: 1770: 1769: 1768: 1766:Thalattosauria 1759: 1757: 1755:Thalattosauria 1748: 1747: 1745: 1744: 1743: 1742: 1733: 1731: 1722: 1721: 1719: 1718: 1717: 1716: 1707: 1705: 1696: 1695: 1693: 1692: 1691: 1690: 1681: 1679: 1670: 1669: 1667: 1666: 1658: 1651: 1644: 1637: 1629: 1621: 1619: 1610: 1609: 1607: 1606: 1599: 1592: 1585: 1577: 1570: 1562: 1555: 1548: 1541: 1534: 1527: 1524:Ancistronychus 1519: 1517: 1508: 1507: 1505: 1504: 1501:Weigeltisaurus 1497: 1490: 1483: 1475: 1473: 1464: 1463: 1461: 1460: 1453: 1446: 1437: 1435: 1426: 1425: 1423: 1422: 1415: 1408: 1400: 1398: 1389: 1388: 1386: 1385: 1375: 1365: 1355: 1345: 1335: 1325: 1315: 1305: 1295: 1285: 1275: 1264: 1254: 1244: 1234: 1224: 1212: 1206: 1201: 1194: 1193: 1188: 1181: 1180: 1177: 1176: 1164: 1162: 1159: 1158: 1155: 1154: 1152: 1151: 1150: 1149: 1143: 1141: 1135: 1134: 1132: 1131: 1130: 1129: 1120: 1118: 1109: 1108: 1106: 1105: 1102:Nanomilleretta 1098: 1091: 1084: 1077: 1070: 1062: 1060: 1051: 1050: 1048: 1047: 1040: 1033: 1025: 1023: 1014: 1013: 1011: 1010: 1003: 996: 988: 986: 977: 976: 974: 973: 966: 958: 950: 942: 935: 932:Acleistorhinus 927: 925: 916: 915: 913: 912: 902: 892: 889:Australothyris 881: 875: 870: 863: 862: 857: 850: 849: 846: 845: 842: 841: 838: 837: 834: 833: 831: 830: 829: 828: 822: 820: 814: 813: 811: 810: 809: 808: 806:Reptiliomorpha 799: 793: 791:Reptiliomorpha 787: 786: 784: 783: 782: 781: 772: 766: 756: 755: 751: 750: 741: 735: 729: 720: 713: 712: 695: 693: 692: 685: 678: 670: 662: 661: 596: 541: 482: 467: 451:"Enaliosauria" 442: 427: 412: 397: 370: 351:(1212): 1–73. 326: 258: 216: 215: 213: 210: 209: 208: 203: 198: 191: 188: 134:Edward D. Cope 95:araeoscelidans 75:ichthyosaurian 58:) are in fact 24: 14: 13: 10: 9: 6: 4: 3: 2: 2227: 2216: 2213: 2211: 2208: 2206: 2203: 2201: 2198: 2197: 2195: 2184: 2179: 2177: 2172: 2170: 2165: 2164: 2158: 2156: 2152: 2148: 2143: 2140: 2136: 2131: 2120: 2112: 2111: 2108: 2094: 2091: 2089: 2086: 2084: 2081: 2079: 2076: 2074: 2071: 2069: 2066: 2064: 2061: 2059: 2056: 2054: 2053:Millerosauria 2051: 2049: 2046: 2044: 2041: 2039: 2036: 2034: 2031: 2029: 2026: 2025: 2023: 2019: 2013: 2010: 2008: 2007:Recumbirostra 2005: 2003: 2000: 1998: 1997:Captorhinidae 1995: 1993: 1992:Araeoscelidia 1990: 1989: 1987: 1983: 1979: 1972: 1968: 1958: 1953: 1951: 1945: 1916: 1915: 1914: 1913: 1908: 1904: 1903:Pantestudines 1900: 1899: 1898: 1897: 1895: 1893: 1892:Pantestudines 1889: 1881: 1877: 1873: 1872: 1871: 1870: 1865: 1861: 1857: 1856: 1855: 1854: 1852: 1850: 1846: 1843: 1841: 1840:Archelosauria 1837: 1829: 1825: 1821: 1820: 1819: 1818: 1813: 1809: 1805: 1804: 1803: 1802: 1800: 1798: 1794: 1791: 1788: 1784: 1779: 1775: 1767: 1763: 1762: 1761: 1760: 1758: 1756: 1749: 1741: 1740:Sauropterygia 1737: 1736: 1735: 1734: 1732: 1730: 1729:Sauropterygia 1723: 1715: 1711: 1710: 1709: 1708: 1706: 1704: 1697: 1689: 1685: 1684: 1683: 1682: 1680: 1678: 1671: 1664: 1663: 1659: 1657: 1656: 1652: 1650: 1649: 1648:Kuehneosuchus 1645: 1643: 1642: 1641:Kuehneosaurus 1638: 1635: 1634: 1630: 1628: 1627: 1623: 1622: 1620: 1618: 1611: 1605: 1604: 1600: 1598: 1597: 1593: 1591: 1590: 1586: 1583: 1582: 1578: 1576: 1575: 1571: 1568: 1567: 1563: 1561: 1560: 1556: 1554: 1553: 1549: 1547: 1546: 1545:Drepanosaurus 1542: 1540: 1539: 1538:Dolabrosaurus 1535: 1533: 1532: 1528: 1526: 1525: 1521: 1520: 1518: 1516: 1509: 1503: 1502: 1498: 1496: 1495: 1491: 1489: 1488: 1484: 1482: 1481: 1477: 1476: 1474: 1472: 1465: 1459: 1458: 1454: 1452: 1451: 1447: 1444: 1443: 1439: 1438: 1436: 1434: 1433:Tangasauridae 1427: 1421: 1420: 1416: 1414: 1413: 1409: 1407: 1406: 1402: 1401: 1399: 1397: 1390: 1384: 1383: 1382:Sphodrosaurus 1376: 1374: 1373: 1366: 1364: 1363: 1356: 1354: 1353: 1346: 1344: 1343: 1336: 1334: 1333: 1332:Maiothisavros 1326: 1324: 1323: 1322:Lanthanolania 1316: 1314: 1313: 1306: 1304: 1303: 1296: 1294: 1293: 1286: 1284: 1283: 1276: 1273: 1272: 1265: 1263: 1262: 1255: 1253: 1252: 1245: 1243: 1242: 1235: 1233: 1232: 1231:Claudiosaurus 1225: 1222: 1221: 1214: 1213: 1210: 1207: 1204: 1199: 1195: 1191: 1186: 1182: 1173: 1168: 1147: 1146: 1145: 1144: 1142: 1140: 1136: 1128: 1127:Procolophonia 1124: 1123: 1122: 1121: 1119: 1117: 1116:Procolophonia 1110: 1104: 1103: 1099: 1097: 1096: 1092: 1090: 1089: 1088:Millerosaurus 1085: 1083: 1082: 1078: 1076: 1075: 1071: 1069: 1068: 1064: 1063: 1061: 1059: 1058:Millerettidae 1052: 1046: 1045: 1044:Stereosternum 1041: 1039: 1038: 1034: 1032: 1031: 1030:Brazilosaurus 1027: 1026: 1024: 1022: 1015: 1009: 1008: 1004: 1002: 1001: 997: 995: 994: 990: 989: 987: 985: 978: 972: 971: 967: 964: 963: 959: 956: 955: 951: 948: 947: 943: 941: 940: 936: 934: 933: 929: 928: 926: 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122: 120: 119:trilophosaurs 116: 112: 108: 107:pleurosaurids 104: 100: 96: 90: 88: 84: 80: 76: 71: 69: 65: 61: 57: 53: 49: 45: 41: 37: 29: 19: 2155:expanding it 2144: 2129: 2092: 2088:Eolacertilia 2063:Ankyramorpha 2043:Parareptilia 2033:Captorhinida 1947: 1910: 1880:crocodilians 1867: 1817:Lepidosauria 1815: 1688:Choristodera 1677:Choristodera 1660: 1653: 1646: 1639: 1631: 1624: 1601: 1594: 1587: 1579: 1572: 1564: 1559:Kyrgyzsaurus 1557: 1552:Hypuronector 1550: 1543: 1536: 1529: 1522: 1499: 1492: 1485: 1478: 1455: 1448: 1440: 1417: 1412:Thadeosaurus 1410: 1403: 1380: 1372:Saurosternon 1370: 1360: 1350: 1340: 1330: 1320: 1310: 1300: 1290: 1282:Feralisaurus 1280: 1271:Eunotosaurus 1269: 1259: 1251:Dolerosaurus 1249: 1239: 1229: 1218: 1100: 1093: 1086: 1079: 1072: 1065: 1042: 1035: 1028: 1005: 998: 991: 984:Bolosauridae 968: 960: 954:Delorhynchus 952: 946:Colobomycter 944: 939:Carbonodraco 937: 930: 907: 897: 887: 743: 737:Superclass: 706: 613: 609: 599: 558: 554: 544: 499: 495: 485: 476: 470: 458:. Retrieved 454: 445: 436: 430: 421: 415: 406: 400: 383: 379: 373: 348: 344: 278: 274: 234: 230: 220: 177: 172: 169:Enaliosauria 168: 166: 150:Plesiosauria 129: 123: 115:protorosaurs 91: 82: 78: 72: 67: 40:polyphyletic 35: 34: 2068:Neodiapsida 2012:Varanopidae 1869:Archosauria 1662:Rhabdopelix 1626:Icarosaurus 1603:Vallesaurus 1596:Unguinychus 1566:Longisquama 1457:Tangasaurus 1405:Galesphyrus 1396:Younginidae 1302:Kenyasaurus 1292:Heleosuchus 1220:Adelosaurus 1095:Milleropsis 1074:Heleophilus 962:Feeserpeton 561:(1): 1621. 460:22 December 386:: 151–214. 154:Placodontia 146:Nothosauria 87:pleurosaurs 2194:Categories 2093:Euryapsida 2083:Avicephala 2038:Eureptilia 2021:Other taxa 1912:Testudines 1589:Skybalonyx 1531:Avicranium 1450:Hovasaurus 1362:Palaeagama 1352:Palacrodon 1342:Orovenator 1148:see below↓ 1081:Milleretta 1037:Mesosaurus 1021:Mesosauria 1000:Bolosaurus 909:Microleter 872:Sauropsida 859:Sauropsida 827:see below↓ 818:Sauropsida 707:sensu lato 697:Sauropsida 502:: e83163. 212:References 173:Halisauria 167:The terms 68:sensu lato 44:sauropsids 36:Euryapsida 1909:Includes 1874:includes 1866:Includes 1828:squamates 1822:includes 1814:Includes 1633:Idiosaura 1581:Protoavis 1494:Rautiania 1007:Eudibamus 899:Erpetonyx 739:Tetrapoda 725:Kingdom: 638:2397-334X 583:2041-1723 518:2050-084X 365:0080-4622 303:2375-2548 206:Synapsida 142:Williston 103:squamates 99:mesosaurs 52:Synapsida 18:Parapsida 2119:Category 2073:Eosuchia 2028:Anapsida 1975:See also 1787:Reptilia 1655:Pamelina 1487:Glaurung 1419:Youngina 1203:Diapsida 1190:Diapsida 1139:Diapsida 733:Chordata 731:Phylum: 727:Animalia 703:Reptilia 656:37308704 647:10333127 591:23535642 536:37551884 527:10499374 392:87979321 321:35984885 253:24256520 201:Diapsida 196:Anapsida 190:See also 83:parapsid 79:metapsid 60:diapsids 1917:turtles 1067:Broomia 993:Belebey 970:Karutia 748:Amniota 618:Bibcode 563:Bibcode 312:9390993 283:Bibcode 156:in it. 64:turtles 1778:Sauria 654:  644:  636:  589:  581:  534:  524:  516:  390:  363:  319:  309:  301:  251:  152:) and 117:, and 2149:is a 1876:birds 1783:Crown 1312:Kudnu 744:Clade 496:eLife 388:S2CID 48:orbit 38:is a 2151:stub 1901:see 1878:and 1858:see 1826:and 1806:see 1764:see 1738:see 1712:see 1686:see 1125:see 804:see 777:see 652:PMID 634:ISSN 587:PMID 579:ISSN 532:PMID 514:ISSN 462:2021 361:ISSN 317:PMID 299:ISSN 249:PMID 171:and 148:and 138:Baur 81:(or 73:The 642:PMC 626:doi 571:doi 522:PMC 504:doi 353:doi 349:323 307:PMC 291:doi 239:doi 2196:: 746:: 650:. 640:. 632:. 624:. 612:. 608:. 585:. 577:. 569:. 557:. 553:. 530:. 520:. 512:. 500:12 498:. 494:. 453:. 382:. 359:. 347:. 343:. 329:^ 315:. 305:. 297:. 289:. 277:. 273:. 261:^ 247:. 235:26 233:. 229:. 113:, 109:, 105:, 101:, 97:, 89:. 70:. 2182:e 2175:t 2168:v 2157:. 1789:) 1785:- 1781:( 1752:† 1726:† 1700:† 1674:† 1665:? 1636:? 1614:† 1584:? 1569:? 1512:† 1468:† 1445:? 1430:† 1393:† 1378:† 1368:† 1358:† 1348:† 1338:† 1328:† 1318:† 1308:† 1298:† 1288:† 1278:† 1274:? 1267:† 1257:† 1247:† 1237:† 1227:† 1223:? 1216:† 1113:† 1055:† 1018:† 981:† 965:? 957:? 949:? 920:† 905:† 895:† 885:† 709:) 700:( 689:e 682:t 675:v 658:. 628:: 620:: 614:7 593:. 573:: 565:: 559:4 538:. 506:: 464:. 424:. 409:. 394:. 384:3 367:. 355:: 323:. 293:: 285:: 279:8 255:. 241:: 20:)

Index

Parapsida

polyphyletic
sauropsids
orbit
Synapsida
sauropterygians
diapsids
turtles
ichthyosaurian
pleurosaurs
araeoscelidans
mesosaurs
squamates
pleurosaurids
weigeltisaurids
protorosaurs
trilophosaurs
Edwin H. Colbert
Edward D. Cope
Baur
Williston
Nothosauria
Plesiosauria
Placodontia

thalattosaurs
stem-archosaurs
Anapsida
Diapsida

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