119:
1104:
421:. After examining the holotype, Simpson concluded there were no distinguishable details that defined the bone as from a penguin, but did not have any opinion as to what bird group it may have belonged to. The fossil was again restudied in 1964 by
677:
C. P. Tambussi, F. J. Degrange, and R. S. De
Mendoza. 2023. "The present state of knowledge of the Cenozoic birds of Argentina” by Tonni 1980: four decades after. Publicación Electrónica Asociación Paleontológica Argentina
407:, was thought to be similar to other penguin fossils Ameghino attributed to the same formation. The Deseado Formation preserved a terrestrial environment, and thus the presence of penguins was considered highly unusual.
2389:
501:
376:
2524:
709:
2494:
2376:
2519:
681:
F. Ameghino. 1905. Enumeracion de los
Impennes Fosiles de Patagonia y de la Isla Seymour. Anales del Museo Nacional de Buenos Aires 6:97–167
399:. When described Ameghino envisioned the genus and the family Cladornithidae as a whole to have represented a group of extinct "dry-land"
2484:
702:
654:
460:
where he considered the bone fragment upon which the genus was erected to be undiagnostic. This assessment was supported by
2514:
1103:
540:
2509:
118:
695:
2489:
630:
2504:
2344:
418:
606:
487:
Florentino
Ameghino. 1899. Supplemento (Adiciones y Correcciones). Sinopsis Geologico-Paleontologica 1–13
2529:
2456:
2415:
577:
240:
1198:
1188:
404:
391:, however in his 1906 paper "Enumeracion de los Impennes Fosiles de Patagonia y de la Isla Seymour" he
360:
1677:
990:
808:
453:
687:
343:. The genus and species were described from a single partial bone which Ameghino considered to be a
396:
388:
196:
1399:
926:
302:
216:
1686:
1389:
943:
183:
2075:
2038:
2014:
1471:
1339:
524:
392:
113:
2461:
2420:
1431:
1379:
1319:
963:
889:
2004:
1511:
1451:
1359:
1349:
1329:
1257:
1000:
980:
2499:
2402:
2394:
1771:
1441:
1410:
1040:
1020:
532:
502:"Faunal Turnover in South American Fossil Avifaunas: The Insufficiencies of the Fossil Record"
2407:
2055:
1573:
1267:
775:
760:
516:
2129:
1136:
1121:
1079:
822:
719:
461:
426:
422:
344:
1635:
1165:
787:
723:
415:
372:
364:
170:
2478:
2314:
2265:
2195:
2177:
1947:
1899:
1663:
1607:
1600:
1580:
1309:
1215:
1208:
1176:
1030:
352:
72:
36:
655:"Notas sobre el registro de Accipitridae (Aves, Accipitriformes) fĂłsiles argentinos"
2447:
2307:
2293:
2238:
2215:
2143:
2093:
2082:
2065:
1913:
1813:
1806:
1792:
1723:
1557:
1461:
1369:
1226:
1047:
845:
445:
441:
277:
2279:
2109:
1967:
1927:
1906:
1883:
1785:
1778:
1764:
1546:
1525:
1299:
1156:
899:
877:
859:
636:
47:
2367:
2286:
2231:
2204:
2170:
2136:
2120:
2102:
2028:
1992:
1834:
1827:
1743:
1697:
1649:
1621:
1614:
1501:
1482:
1247:
1145:
1010:
866:
838:
754:
438:
92:
57:
2272:
2154:
1981:
1920:
1892:
1861:
1820:
1734:
1656:
1628:
1591:
1566:
1532:
1277:
1064:
970:
916:
852:
831:
403:. This was because the fossil, having been collected from an outcrop of the
368:
348:
337:
323:
282:
130:
97:
32:
536:
307:
Sinopsis geolĂłgico-paleontolĂłgica. Suplemento. (Adiciones y correcciones.)
2441:
2361:
2300:
2249:
2224:
2184:
2021:
1958:
1938:
1841:
1750:
1713:
1642:
1491:
953:
933:
909:
742:
356:
150:
87:
82:
67:
62:
52:
40:
2381:
2258:
2048:
1852:
1799:
1421:
528:
430:
400:
330:
285:
102:
77:
2163:
1974:
1868:
1539:
1054:
736:
140:
2338:
520:
313:
1757:
748:
458:
The present state of knowledge of the
Cenozoic birds of Argentina
1518:
272:
160:
2342:
1119:
773:
691:
379:
along with a large portion of
Ameghino's fossil collections.
309:. The name was coined by Ameghino from a combination of the
684:
329:
meaning "a small sheet of paper". The etymology of the
448:. This placement was followed by Simpson in his 1972
414:
as a penguin was not challenged until 1946 by eminent
2071:
2061:
2044:
2034:
2010:
2000:
1719:
1709:
1674:
1507:
1497:
1467:
1457:
1447:
1437:
1427:
1417:
1405:
1395:
1385:
1375:
1365:
1355:
1345:
1335:
1325:
1315:
1305:
1295:
1283:
1273:
1263:
1253:
1243:
1204:
1194:
1184:
1133:
1060:
1036:
1026:
1016:
1006:
996:
986:
976:
959:
949:
939:
922:
905:
895:
885:
819:
804:
2431:
2351:
2248:
2214:
2194:
2153:
2119:
2092:
1991:
1957:
1937:
1882:
1851:
1733:
1696:
1673:
1590:
1556:
1481:
1234:
1225:
1175:
1155:
1132:
1078:
876:
818:
795:
786:
614:Bulletin of the American Museum of Natural History
464:in 1985, who quoted Tonni's assessment of the
703:
600:
598:
596:
594:
571:
569:
567:
565:
563:
561:
8:
377:Bernardino Rivadavia Natural Sciences Museum
495:
493:
335:
321:
311:
2339:
1702:
1231:
1129:
1116:
792:
783:
770:
710:
696:
688:
578:"Conspectus of Patagonian fossil penguins"
483:
481:
387:In his paper, Ameghino erected the family
20:
450:Conspectus of Patagonian fossil penguins
477:
452:However, the placement was rejected by
425:, who asserted the fossil to not be a
7:
333:is not clear, but possibly from the
437:Brodkorb placed the genus into the
14:
2525:Taxa named by Florentino Ameghino
301:The genus was first described by
2495:Paleogene birds of South America
1102:
347:section. The bone was found in
117:
659:Studia Geologica Salmanticensia
1:
2520:Fossil taxa described in 1899
2546:
653:Agnolin, Federico (2006).
468:holotype as undiagnostic.
1705:
1128:
1115:
1100:
782:
769:
731:
585:American Museum Novitates
435:Catalogue of Fossil Birds
246:
239:
114:Scientific classification
112:
23:
726:and their extinct allies
429:but rather the end of a
2485:Prehistoric bird genera
275:genus considered to be
605:Simpson, G.G. (1946).
576:Simpson, G.G. (1972).
419:George Gaylord Simpson
375:, it was added to the
336:
322:
312:
281:which consists of the
16:Extinct genus of birds
2457:Paleobiology Database
2416:Paleobiology Database
2515:Fossils of Argentina
500:Olson, S.L. (1985).
2510:Paleogene Argentina
319:meaning "shin" and
305:in his 1899 volume
303:Florentino Ameghino
2433:Cruschedula revola
456:in his 1980 paper
290:Cruschedula revola
253:Cruschedula revola
2472:
2471:
2403:Open Tree of Life
2345:Taxon identifiers
2336:
2335:
2332:
2331:
2328:
2327:
2324:
2323:
1878:
1877:
1772:Cryptoleucopteryx
1199:Amphiserpentarius
1111:
1110:
1098:
1097:
1074:
1073:
607:"Fossil penguins"
410:The placement of
405:Deseado Formation
373:holotype specimen
371:. Designated the
361:Deseado Formation
264:
263:
220:
2537:
2465:
2464:
2452:
2451:
2450:
2424:
2423:
2411:
2410:
2398:
2397:
2385:
2384:
2372:
2371:
2370:
2340:
2073:
2063:
2046:
2036:
2012:
2002:
1721:
1711:
1703:
1678:Archaehieraxinae
1676:
1574:Erythrotriorchis
1509:
1499:
1469:
1459:
1449:
1439:
1429:
1419:
1407:
1397:
1387:
1377:
1367:
1357:
1347:
1337:
1327:
1317:
1307:
1297:
1285:
1275:
1268:Apatosagittarius
1265:
1255:
1245:
1232:
1206:
1196:
1186:
1135:
1130:
1117:
1106:
1062:
1038:
1028:
1018:
1008:
998:
988:
978:
961:
951:
941:
924:
907:
897:
887:
821:
809:Parasarcoramphus
806:
793:
784:
776:Accipitrimorphae
771:
761:Accipitrimorphae
712:
705:
698:
689:
674:
672:
670:
640:
628:
622:
621:
611:
602:
589:
588:
582:
573:
556:
555:
553:
551:
545:
539:. Archived from
515:(5): 1174–1177.
506:
497:
488:
485:
454:Eduardo P. Tonni
395:the family into
341:
331:specific epithet
327:
317:
271:is an enigmatic
255:
251:
215:
208:
195:
182:
122:
121:
107:
44:
29:Temporal range:
21:
2545:
2544:
2540:
2539:
2538:
2536:
2535:
2534:
2490:Oligocene birds
2475:
2474:
2473:
2468:
2460:
2455:
2446:
2445:
2440:
2427:
2419:
2414:
2406:
2401:
2393:
2388:
2380:
2375:
2366:
2365:
2360:
2347:
2337:
2320:
2244:
2210:
2190:
2149:
2115:
2088:
1987:
1953:
1933:
1874:
1847:
1729:
1692:
1669:
1586:
1552:
1477:
1221:
1171:
1151:
1137:Horusornithidae
1124:
1122:Accipitriformes
1107:
1094:
1080:Accipitriformes
1070:
872:
823:Teratornithidae
814:
778:
765:
727:
716:
668:
666:
652:
649:
647:Further reading
644:
643:
629:
625:
609:
604:
603:
592:
580:
575:
574:
559:
549:
547:
546:on 17 July 2009
543:
521:10.2307/2408747
504:
499:
498:
491:
486:
479:
474:
462:Storrs L. Olson
427:tarsometatarsus
423:Pierce Brodkorb
385:
345:tarsometatarsus
299:
260:
257:
249:
248:
235:
214:
206:
193:
180:
116:
108:
106:
105:
100:
95:
90:
85:
80:
75:
70:
65:
60:
55:
50:
31:
30:
27:
17:
12:
11:
5:
2543:
2541:
2533:
2532:
2527:
2522:
2517:
2512:
2507:
2502:
2497:
2492:
2487:
2477:
2476:
2470:
2469:
2467:
2466:
2453:
2437:
2435:
2429:
2428:
2426:
2425:
2412:
2399:
2386:
2373:
2357:
2355:
2349:
2348:
2343:
2334:
2333:
2330:
2329:
2326:
2325:
2322:
2321:
2319:
2318:
2311:
2304:
2297:
2290:
2283:
2276:
2269:
2262:
2254:
2252:
2246:
2245:
2243:
2242:
2235:
2228:
2220:
2218:
2212:
2211:
2209:
2208:
2200:
2198:
2192:
2191:
2189:
2188:
2181:
2174:
2167:
2159:
2157:
2151:
2150:
2148:
2147:
2140:
2133:
2125:
2123:
2117:
2116:
2114:
2113:
2106:
2098:
2096:
2090:
2089:
2087:
2086:
2079:
2069:
2059:
2052:
2042:
2032:
2025:
2018:
2008:
1997:
1995:
1989:
1988:
1986:
1985:
1978:
1971:
1963:
1961:
1955:
1954:
1952:
1951:
1943:
1941:
1935:
1934:
1932:
1931:
1924:
1917:
1910:
1903:
1896:
1888:
1886:
1880:
1879:
1876:
1875:
1873:
1872:
1865:
1857:
1855:
1849:
1848:
1846:
1845:
1838:
1831:
1824:
1817:
1810:
1803:
1796:
1789:
1782:
1775:
1768:
1761:
1754:
1747:
1739:
1737:
1731:
1730:
1728:
1727:
1717:
1706:
1700:
1694:
1693:
1691:
1690:
1682:
1680:
1671:
1670:
1668:
1667:
1660:
1653:
1646:
1639:
1636:Lophotriorchis
1632:
1625:
1618:
1611:
1604:
1596:
1594:
1588:
1587:
1585:
1584:
1577:
1570:
1562:
1560:
1554:
1553:
1551:
1550:
1543:
1536:
1529:
1522:
1515:
1505:
1495:
1487:
1485:
1479:
1478:
1476:
1475:
1465:
1455:
1445:
1435:
1425:
1415:
1403:
1393:
1383:
1373:
1363:
1353:
1343:
1333:
1323:
1313:
1303:
1293:
1281:
1271:
1261:
1251:
1240:
1238:
1236:incertae sedis
1229:
1223:
1222:
1220:
1219:
1212:
1202:
1192:
1181:
1179:
1173:
1172:
1170:
1169:
1161:
1159:
1153:
1152:
1150:
1149:
1141:
1139:
1126:
1125:
1120:
1113:
1112:
1109:
1108:
1101:
1099:
1096:
1095:
1093:
1092:
1091:
1090:
1084:
1082:
1076:
1075:
1072:
1071:
1069:
1068:
1058:
1051:
1044:
1034:
1024:
1014:
1004:
994:
984:
974:
967:
957:
947:
937:
930:
920:
913:
903:
893:
882:
880:
874:
873:
871:
870:
863:
856:
849:
842:
835:
827:
825:
816:
815:
813:
812:
801:
799:
797:incertae sedis
790:
788:Cathartiformes
780:
779:
774:
767:
766:
764:
763:
757:
751:
745:
739:
732:
729:
728:
717:
715:
714:
707:
700:
692:
686:
685:
682:
679:
675:
648:
645:
642:
641:
623:
590:
557:
489:
476:
475:
473:
470:
416:paleontologist
397:Cladornithidae
389:Cruschedulidae
384:
381:
365:San Jorge Gulf
359:) beds of the
298:
295:
262:
261:
259:Ameghino, 1899
258:
244:
243:
237:
236:
232:C. revola
228:
226:
222:
221:
204:
200:
199:
197:Cladornithidae
191:
187:
186:
178:
174:
173:
171:Pelecaniformes
168:
164:
163:
158:
154:
153:
148:
144:
143:
138:
134:
133:
128:
124:
123:
110:
109:
101:
96:
91:
86:
81:
76:
71:
66:
61:
56:
51:
46:
45:
28:
15:
13:
10:
9:
6:
4:
3:
2:
2542:
2531:
2528:
2526:
2523:
2521:
2518:
2516:
2513:
2511:
2508:
2506:
2505:Tinguirirican
2503:
2501:
2498:
2496:
2493:
2491:
2488:
2486:
2483:
2482:
2480:
2463:
2458:
2454:
2449:
2443:
2439:
2438:
2436:
2434:
2430:
2422:
2417:
2413:
2409:
2404:
2400:
2396:
2391:
2387:
2383:
2378:
2374:
2369:
2363:
2359:
2358:
2356:
2354:
2350:
2346:
2341:
2317:
2316:
2312:
2310:
2309:
2305:
2303:
2302:
2298:
2296:
2295:
2291:
2289:
2288:
2284:
2282:
2281:
2277:
2275:
2274:
2270:
2268:
2267:
2266:Chondrohierax
2263:
2261:
2260:
2256:
2255:
2253:
2251:
2247:
2241:
2240:
2236:
2234:
2233:
2229:
2227:
2226:
2222:
2221:
2219:
2217:
2213:
2207:
2206:
2202:
2201:
2199:
2197:
2196:Lophospizinae
2193:
2187:
2186:
2182:
2180:
2179:
2178:Macheiramphus
2175:
2173:
2172:
2168:
2166:
2165:
2161:
2160:
2158:
2156:
2152:
2146:
2145:
2141:
2139:
2138:
2134:
2132:
2131:
2127:
2126:
2124:
2122:
2118:
2112:
2111:
2107:
2105:
2104:
2100:
2099:
2097:
2095:
2091:
2085:
2084:
2080:
2078:
2077:
2070:
2068:
2067:
2060:
2058:
2057:
2053:
2051:
2050:
2043:
2041:
2040:
2033:
2031:
2030:
2026:
2024:
2023:
2019:
2017:
2016:
2009:
2007:
2006:
1999:
1998:
1996:
1994:
1990:
1984:
1983:
1979:
1977:
1976:
1972:
1970:
1969:
1965:
1964:
1962:
1960:
1956:
1950:
1949:
1945:
1944:
1942:
1940:
1936:
1930:
1929:
1925:
1923:
1922:
1918:
1916:
1915:
1911:
1909:
1908:
1904:
1902:
1901:
1900:Dryotriorchis
1897:
1895:
1894:
1890:
1889:
1887:
1885:
1881:
1871:
1870:
1866:
1864:
1863:
1859:
1858:
1856:
1854:
1850:
1844:
1843:
1839:
1837:
1836:
1832:
1830:
1829:
1825:
1823:
1822:
1818:
1816:
1815:
1811:
1809:
1808:
1804:
1802:
1801:
1797:
1795:
1794:
1790:
1788:
1787:
1783:
1781:
1780:
1776:
1774:
1773:
1769:
1767:
1766:
1762:
1760:
1759:
1755:
1753:
1752:
1748:
1746:
1745:
1741:
1740:
1738:
1736:
1732:
1726:
1725:
1718:
1716:
1715:
1708:
1707:
1704:
1701:
1699:
1695:
1689:
1688:
1684:
1683:
1681:
1679:
1672:
1666:
1665:
1664:Stephanoaetus
1661:
1659:
1658:
1654:
1652:
1651:
1647:
1645:
1644:
1640:
1638:
1637:
1633:
1631:
1630:
1626:
1624:
1623:
1619:
1617:
1616:
1612:
1610:
1609:
1605:
1603:
1602:
1598:
1597:
1595:
1593:
1589:
1583:
1582:
1581:Megatriorchis
1578:
1576:
1575:
1571:
1569:
1568:
1564:
1563:
1561:
1559:
1555:
1549:
1548:
1544:
1542:
1541:
1537:
1535:
1534:
1530:
1528:
1527:
1523:
1521:
1520:
1516:
1514:
1513:
1506:
1504:
1503:
1496:
1494:
1493:
1489:
1488:
1486:
1484:
1480:
1474:
1473:
1466:
1464:
1463:
1456:
1454:
1453:
1446:
1444:
1443:
1436:
1434:
1433:
1426:
1424:
1423:
1416:
1413:
1412:
1404:
1402:
1401:
1400:Palaeoplancus
1394:
1392:
1391:
1384:
1382:
1381:
1374:
1372:
1371:
1364:
1362:
1361:
1354:
1352:
1351:
1344:
1342:
1341:
1334:
1332:
1331:
1324:
1322:
1321:
1314:
1312:
1311:
1310:Gigantohierax
1304:
1302:
1301:
1294:
1291:
1290:
1282:
1280:
1279:
1272:
1270:
1269:
1262:
1260:
1259:
1252:
1250:
1249:
1242:
1241:
1239:
1237:
1233:
1230:
1228:
1224:
1218:
1217:
1213:
1211:
1210:
1209:Pelargopappus
1203:
1201:
1200:
1193:
1191:
1190:
1183:
1182:
1180:
1178:
1177:Sagittariidae
1174:
1168:
1167:
1163:
1162:
1160:
1158:
1154:
1148:
1147:
1143:
1142:
1140:
1138:
1131:
1127:
1123:
1118:
1114:
1105:
1088:
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1085:
1083:
1081:
1077:
1067:
1066:
1059:
1057:
1056:
1052:
1050:
1049:
1045:
1043:
1042:
1035:
1033:
1032:
1031:Pleistovultur
1025:
1023:
1022:
1015:
1013:
1012:
1005:
1003:
1002:
995:
993:
992:
985:
983:
982:
975:
973:
972:
968:
966:
965:
958:
956:
955:
948:
946:
945:
938:
936:
935:
931:
929:
928:
927:Cathartidarum
921:
919:
918:
914:
912:
911:
904:
902:
901:
894:
892:
891:
884:
883:
881:
879:
875:
869:
868:
864:
862:
861:
857:
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854:
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848:
847:
843:
841:
840:
836:
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833:
829:
828:
826:
824:
817:
811:
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803:
802:
800:
798:
794:
791:
789:
785:
781:
777:
772:
768:
762:
758:
756:
752:
750:
746:
744:
740:
738:
734:
733:
730:
725:
721:
713:
708:
706:
701:
699:
694:
693:
690:
683:
680:
678:23(1):255–295
676:
664:
660:
656:
651:
650:
646:
638:
634:
633:
627:
624:
619:
615:
608:
601:
599:
597:
595:
591:
587:(2488): 1–37.
586:
579:
572:
570:
568:
566:
564:
562:
558:
542:
538:
534:
530:
526:
522:
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402:
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382:
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370:
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358:
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353:Tinguirirican
350:
346:
342:
340:
339:
332:
328:
326:
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318:
316:
315:
308:
304:
296:
294:
292:
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287:
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280:
279:
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270:
269:
256:
254:
245:
242:
241:Binomial name
238:
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227:
224:
223:
218:
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205:
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139:
136:
135:
132:
129:
126:
125:
120:
115:
111:
104:
99:
94:
89:
84:
79:
74:
69:
64:
59:
54:
49:
42:
38:
37:Tinguirirican
34:
26:
22:
19:
2530:Nomina dubia
2432:
2352:
2313:
2308:Lophoictinia
2306:
2299:
2294:Henicopernis
2292:
2285:
2278:
2271:
2264:
2257:
2239:Urotriorchis
2237:
2230:
2223:
2216:Melieraxinae
2203:
2183:
2176:
2169:
2162:
2144:Microspizias
2142:
2135:
2128:
2108:
2101:
2094:Haliaeetinae
2083:Polyboroides
2081:
2074:
2066:Neophrontops
2064:
2054:
2047:
2037:
2027:
2020:
2013:
2003:
1980:
1973:
1966:
1946:
1926:
1919:
1914:Pithecophaga
1912:
1905:
1898:
1891:
1867:
1860:
1840:
1833:
1826:
1819:
1814:Morphnarchus
1812:
1807:Leucopternis
1805:
1798:
1793:Helicolestes
1791:
1784:
1777:
1770:
1763:
1756:
1749:
1742:
1724:Garganoaetus
1722:
1712:
1687:Archaehierax
1685:
1662:
1655:
1648:
1641:
1634:
1627:
1620:
1613:
1606:
1599:
1579:
1572:
1565:
1558:Accipitrinae
1545:
1538:
1531:
1524:
1517:
1510:
1500:
1490:
1470:
1462:Titanohierax
1460:
1450:
1440:
1430:
1420:
1409:
1398:
1390:Palaeocircus
1388:
1378:
1370:Palaeohierax
1368:
1358:
1348:
1338:
1328:
1318:
1308:
1298:
1288:
1287:
1276:
1266:
1256:
1246:
1235:
1227:Accipitridae
1214:
1207:
1197:
1187:
1164:
1144:
1063:
1053:
1048:Sarcoramphus
1046:
1039:
1029:
1019:
1009:
999:
989:
979:
969:
962:
952:
944:Diatropornis
942:
932:
925:
915:
908:
898:
888:
865:
858:
851:
846:Cathartornis
844:
837:
830:
807:
796:
667:. Retrieved
662:
658:
631:
626:
617:
613:
584:
550:25 September
548:. Retrieved
541:the original
512:
508:
465:
457:
449:
446:Accipitridae
442:bird of prey
434:
411:
409:
386:
367:in Southern
334:
320:
310:
306:
300:
289:
288:
278:nomen dubium
276:
267:
266:
265:
252:
247:
231:
230:
210:
209:
184:Cladornithes
24:
18:
2353:Cruschedula
2280:Eutriorchis
2110:Icthyophaga
2076:Palaeoborus
2039:Mioneophron
2015:Arikarornis
1968:Chelictinia
1928:Terathopius
1907:Eutriorchis
1884:Circaetinae
1786:Geranospiza
1779:Geranoaetus
1765:Buteogallus
1547:Trigonoceps
1526:Necrosyrtes
1472:Vinchinavis
1340:Mioaegypius
1300:Dynatoaetus
1289:Cruschedula
1216:Sagittarius
1157:Pandionidae
1089:See below ↓
900:Brasilogyps
878:Cathartidae
860:Taubatornis
669:4 September
637:Fossilworks
632:Cruschedula
466:Cruschedula
412:Cruschedula
393:synonymized
297:Description
268:Cruschedula
211:Cruschedula
25:Cruschedula
2479:Categories
2448:Q126920680
2287:Hamirostra
2232:Micronisus
2205:Lophospiza
2171:Harpyopsis
2137:Kaupifalco
2121:Harpaginae
2103:Haliaeetus
2029:Gypohierax
1993:Gypaetinae
1835:Rostrhamus
1828:Pseudastur
1744:Busarellus
1698:Buteoninae
1650:Polemaetus
1622:Ictinaetus
1615:Hieraaetus
1502:Cryptogyps
1483:Aegypiinae
1432:Proictinia
1380:Palaeastur
1320:Gobihierax
1248:Amplibuteo
1189:Amanuensis
1146:Horusornis
1011:Phasmagyps
964:Geronogyps
890:Aizenogyps
867:Teratornis
839:Argentavis
755:Telluraves
718:Genera of
472:References
433:. In his
177:Suborder:
2273:Elanoides
2155:Harpiinae
2005:Anchigyps
1982:Gampsonyx
1921:Spilornis
1893:Circaetus
1862:Haliastur
1821:Parabuteo
1735:Buteonini
1657:Spizaetus
1629:Lophaetus
1592:Aquilinae
1567:Accipiter
1533:Sarcogyps
1512:Gansugyps
1452:Qiluornis
1360:Necrastur
1350:Miohierax
1330:Milvoides
1278:Aviraptor
1258:Aquilavus
1065:Wingegyps
1001:Pampagyps
981:Hadrogyps
971:Gymnogyps
917:Cathartes
853:Oscaravis
832:Aiolornis
735:Kingdom:
509:Evolution
369:Patagonia
349:Oligocene
225:Species:
137:Kingdom:
131:Eukaryota
33:Oligocene
2500:Deseadan
2442:Wikidata
2368:Q5190172
2362:Wikidata
2301:Leptodon
2250:Perninae
2225:Melierax
2185:Morphnus
2130:Harpagus
2056:Neophron
2022:Gypaetus
1959:Elaninae
1939:Circinae
1842:Rupornis
1751:Butastur
1714:Bermuteo
1643:Nisaetus
1492:Aegypius
1442:Promilio
1411:Palaetus
1041:Pliogyps
1021:Perugyps
954:Dryornis
934:Coragyps
910:Breagyps
743:Chordata
741:Phylum:
737:Animalia
537:28561505
401:penguins
383:Taxonomy
357:Deseadan
338:revolare
324:schedula
217:Ameghino
190:Family:
151:Chordata
147:Phylum:
141:Animalia
127:Domain:
41:Deseadan
2408:4130338
2395:1176812
2382:4850055
2259:Aviceda
2049:Neogyps
1853:Milvini
1800:Ictinia
1422:Pengana
1166:Pandion
759:Clade:
753:Clade:
747:Class:
724:condors
665:: 67–80
529:2408747
444:family
439:diurnal
431:scapula
286:species
250:†
229:†
203:Genus:
167:Order:
157:Class:
2462:105823
2421:105822
2315:Pernis
2164:Harpia
1975:Elanus
1948:Circus
1869:Milvus
1608:Clanga
1601:Aquila
1540:Torgos
1055:Vultur
991:Kuntur
720:eagles
535:
527:
283:single
219:, 1899
2390:IRMNG
1758:Buteo
610:(PDF)
581:(PDF)
544:(PDF)
525:JSTOR
505:(PDF)
363:near
2377:GBIF
1519:Gyps
749:Aves
671:2012
639:.org
552:2010
533:PMID
314:crus
273:bird
161:Aves
48:Preęž’
635:at
517:doi
355:to
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663:42
661:.
657:.
618:81
616:.
612:.
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