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649:
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2914:
1714:
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318:
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skeletons have their bodies lay completely flat, with their tails twisted over to lay flat perpendicular to the body. These preservational quirks may indicate that the body was flattened dorsoventrally (from top-to-bottom), while the tail was flattened mediolaterally (from side-to-side) into a
373:
bone at the rear of the skull is massive, probably used as a support for the skull. This contrasts with the stapes of terrestrial animals such as frogs, mammals, and lizards. In these groups the bone is thin and sensitive to vibration, so it is used for sensitive hearing. The thick stapes of
382:
retains a postbranchial lamina on its shoulder blade, which may have been indicative of internal gills like those of fish. However, the erratic distribution of postbranchial laminae in aquatic and terrestrial fish and amphibians makes this conclusion questionable.
345:. However, smaller specimens have been found preserving over 30 vertebrae, so it is not inconceivable that a complete tail was approximately as long as the body. The limbs were short, though not vestigial; the fingers were still well-developed.
328:
were probably aquatic, with an elongated body adapted for swimming. Adults have overall length of 1.0–1.4 metres (3.3–4.6 ft) or 1.5 metres (4.9 ft), similar in size to modern Asian giant salamanders
341:
reached about 18 centimetres (7.1 in) long in adult specimens. The most complete adult specimen only preserved 12 tail vertebrae, only about a third the length of the body as in
3195:
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Janis, Christine M.; Farmer, Colleen (May 1999). "Proposed habitats of early tetrapods: gills, kidneys, and the water–land transition".
1307:
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3205:
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congregate in shallow water while older individuals were bottom-dwelling predators preferring deeper rivers. Given that small
551:
710:
458:
Smithson, T. R. (1 September 1982). "The cranial morphology of
Greererpeton burkemorani Romer (Amphibia: Temnospondyli)".
3200:
3043:
115:
2899:
2906:
3033:
675:
132:
634:
433:
361:
and other colosteids were completely aquatic animals. Grooves on the side of the skull indicate that
106:
2885:
1708:
3074:
2913:
668:
567:
2892:
1713:
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2848:
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Godfrey, S.J. (2 February 1989). "The postcranial skeletal anatomy of the carboniferous tetrapod
3167:
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3028:
2812:
1719:
780:
3141:
3162:
3154:
240:
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1701:
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skeletons have been found in groups while larger ones are solitary, it is presumable that
8:
3190:
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303:
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Philosophical
Transactions of the Royal Society of London. Series B, Biological Sciences
2970:
2444:
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635:
THE MANDIBLE OF THE PRIMITIVE TETRAPOD GREERERPETON by JOHN R. BOLT and R. ERIC LOMBARD
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369:, sensory organs commonly found only in fish and aquatic stem-tetrapods. The
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The
Carboniferous Period of the Paleozoic Era: 299 to 359 million years ago
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366:
299:
544:
The
Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals
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is an indication that did not have good hearing like terrestrial animals.
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2006:
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1987:
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79:
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59:
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2514:
2076:
2056:
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969:
578:
391:
94:
69:
1932:
1130:
716:
434:"A temnospondylous labyrinthodont from the Lower Carboniferous"
370:
154:
338:
276:
349:
were carnivores which probably lived in rivers and swamps.
302:
in 1969, based on a skull and partial skeleton from the
1736:
310:
in 1982, while postcranial remains were redescribed by
298:
was first described by famed vertebrate paleontologist
2718:
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945:
935:
925:
915:
905:
895:
885:
875:
865:
855:
644:
690:
3182:
630:Greerpeton & Spathicephalus from Palaeos web
3196:Mississippian sarcopterygians of North America
840:
676:
764:
403:fin-like structure used for swimming. Young
398:), the largest living amphibians. Preserved
118:11090, one of the largest and most complete
590:
683:
669:
541:
105:
593:Zoological Journal of the Linnean Society
546:. London: Marshall Editions. p. 51.
460:Zoological Journal of the Linnean Society
390:to be biologically similar to the modern
357:There is a large amount of evidence that
333:). The body was elongated, with about 40
457:
316:
499:
3183:
537:
535:
3090:
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1735:
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709:
664:
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828:
532:
321:Life restoration by Dmitry Bogdanov
13:
2930:
472:10.1111/j.1096-3642.1982.tb01955.x
432:Romer, Alfred S. (14 March 1969).
14:
3217:
623:
486:
448:
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3069:
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2905:
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2891:
2884:
2877:
1718:
1712:
1707:
1700:
647:
131:
37:
16:Extinct genus of tetrapodomorphs
352:
306:. The skull was redescribed by
584:
425:
1:
3206:Fossil taxa described in 1969
3034:Polydactyly in stem-tetrapods
581:.org, Retrieved on 2008-06-23
418:
7:
10:
3222:
3201:Taxa named by Alfred Romer
386:Godfrey (1989) considered
3098:
3065:
3021:
2940:
2936:
2925:
2875:
2829:
2794:
2781:
2717:
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2367:
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2311:
2273:
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2223:
2214:
2187:
2158:
2146:
1998:
1983:
1942:
1772:
1760:
1756:
1731:
1697:
1651:
1572:
1563:
1405:
1386:
1377:
1265:
1212:
1089:
851:
836:
823:
791:
773:
760:
705:
246:
239:
128:Scientific classification
126:
113:
104:
23:
542:Palmer, D., ed. (1999).
502:Greererpeton burkemorani
268:Greererpeton burkemorani
253:Greererpeton burkemorani
392:Asian giant salamanders
29:Temporal range: Viséan
3029:Evolution of tetrapods
605:10.1006/zjls.1998.0169
566:M. Alan Kazlev (1998)
518:10.1098/rstb.1989.0002
337:, while the flattened
322:
3163:Paleobiology Database
320:
294:) of North America.
273:Greer, West Virginia
3049:Zachelmie trackways
2229:Pseudophlegethontia
655:Paleontology portal
415:behaved similarly.
308:Timothy R. Smithson
304:Bluefield Formation
232:G. burkemorani
2971:Megalichthyiformes
1533:Platycephalichthys
573:2008-06-21 at the
323:
312:Stephen J. Godfrey
3178:
3177:
3150:Open Tree of Life
3092:Taxon identifiers
3083:
3082:
3061:
3060:
3057:
3056:
2977:Tristichopteridae
2921:
2920:
2873:
2872:
2869:
2868:
2865:
2864:
2531:
2530:
2423:
2422:
2269:
2268:
2265:
2264:
2216:Phlegethontioidea
1979:
1978:
1947:Elginerpetontidae
1727:
1726:
1695:
1694:
1691:
1690:
1687:
1686:
1683:
1682:
1612:Parapanderichthys
1410:Tristichopteridae
1379:Eotetrapodiformes
819:
818:
815:
814:
811:
810:
553:978-1-84028-152-1
275:") is an extinct
264:
263:
32:345.3–328.3
3213:
3171:
3170:
3158:
3157:
3145:
3144:
3132:
3131:
3119:
3118:
3117:
3087:
3086:
3073:
3072:
2983:Labyrinthodontia
2938:
2937:
2927:
2926:
2916:
2910:
2909:
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2902:
2896:
2895:
2889:
2888:
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2800:
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2720:
2683:
2538:
2465:
2464:
2458:
2430:
2365:
2364:
2358:
2314:
2276:
2240:Phlegethontiidae
2221:
2220:
2156:
2155:
2149:
2134:
2124:
2114:
2104:
2094:
2084:
2074:
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2014:
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1945:
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838:
837:
825:
824:
771:
770:
762:
761:
755:
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707:
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695:
692:Tetrapodomorpha
685:
678:
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657:
652:
651:
650:
617:
616:
588:
582:
564:
558:
557:
539:
530:
529:
512:(1213): 75–133.
497:
484:
483:
455:
446:
445:
429:
255:
251:
215:
202:
136:
135:
122:skeletons known
109:
99:
36:
21:
20:
3221:
3220:
3216:
3215:
3214:
3212:
3211:
3210:
3181:
3180:
3179:
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3166:
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3148:
3140:
3135:
3127:
3122:
3113:
3112:
3107:
3094:
3084:
3079:
3053:
3017:
2993:Ichthyostegalia
2961:Osteolepiformes
2945:
2932:
2917:
2904:
2897:
2890:
2883:
2861:
2836:
2832:
2831:Reptiliomorpha
2825:
2798:
2785:
2782:
2777:
2721:
2713:
2685:Gephyrostegidae
2676:
2577:Carbonoherpeton
2527:
2486:
2451:
2419:
2414:Palaeomolgophis
2378:
2351:
2307:
2261:
2234:
2210:
2189:Oestocephalidae
2183:
2164:Andersonerpeton
2142:
2137:Tantallognathus
1990:
1984:
1975:
1963:Obruchevichthys
1938:
1764:
1752:
1746:
1740:
1723:
1699:
1679:
1661:
1655:
1647:
1565:Elpistostegalia
1559:
1554:Tristichopterus
1401:
1395:Palaeospondylus
1373:
1367:Sterropterygion
1301:Ectosteorhachis
1286:Cladarosymblema
1270:Megalichthyidae
1261:
1208:
1145:Propycnoctenion
1085:
845:
843:Tetrapodomorpha
832:
830:Tetrapodomorpha
807:
793:Tetrapodomorpha
787:
756:
712:
711:
701:
697:
693:
689:
653:
648:
646:
626:
621:
620:
589:
585:
575:Wayback Machine
565:
561:
554:
540:
533:
498:
487:
456:
449:
430:
426:
421:
355:
300:Alfred S. Romer
286:from the Early
271:("crawler from
260:
257:
249:
248:
235:
213:
200:
191:Tetrapodomorpha
130:
100:
98:
97:
92:
87:
82:
77:
72:
67:
62:
57:
52:
47:
42:
31:
30:
27:
17:
12:
11:
5:
3219:
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3208:
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3198:
3193:
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3172:
3159:
3146:
3133:
3120:
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3102:
3096:
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3081:
3080:
3078:
3077:
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3063:
3062:
3059:
3058:
3055:
3054:
3052:
3051:
3046:
3041:
3036:
3031:
3025:
3023:
3019:
3018:
3016:
3015:
3013:Anthracosauria
3010:
3008:Phyllospondyli
3005:
3000:
2995:
2990:
2985:
2980:
2974:
2968:
2966:Osteolepididae
2963:
2958:
2956:Stem tetrapoda
2952:
2950:
2934:
2933:
2931:Related topics
2923:
2922:
2919:
2918:
2876:
2874:
2871:
2870:
2867:
2866:
2863:
2862:
2860:
2859:
2858:
2857:
2851:
2849:Reptiliomorpha
2842:
2840:
2827:
2826:
2824:
2823:
2822:
2821:
2815:
2806:
2804:
2802:Batrachomorpha
2789:
2779:
2778:
2776:
2775:
2768:
2761:
2754:
2747:
2739:
2731:
2729:
2715:
2714:
2712:
2711:
2704:
2697:
2694:Bruktererpeton
2689:
2687:
2678:
2677:
2675:
2674:
2671:Spondylerpeton
2667:
2660:
2653:
2650:Proterogyrinus
2646:
2639:
2632:
2629:Palaeoherpeton
2625:
2618:
2611:
2603:
2596:
2593:Diplovertebron
2589:
2580:
2573:
2570:Calligenethlon
2566:
2559:
2552:
2549:Anthracosaurus
2544:
2542:
2533:
2532:
2529:
2528:
2526:
2525:
2522:Megalocephalus
2518:
2511:
2504:
2496:
2494:
2488:
2487:
2485:
2484:
2481:Spathicephalus
2477:
2468:
2462:
2453:
2452:
2450:
2449:
2448:
2447:
2438:
2436:
2425:
2424:
2421:
2420:
2418:
2417:
2410:
2407:Dolichopareias
2403:
2400:Adelospondylus
2396:
2388:
2386:
2384:Adelogyrinidae
2380:
2379:
2377:
2376:
2368:
2362:
2353:
2352:
2350:
2349:
2342:
2335:
2328:
2320:
2318:
2309:
2308:
2306:
2305:
2298:
2291:
2282:
2280:
2278:Whatcheeriidae
2271:
2270:
2267:
2266:
2263:
2262:
2260:
2259:
2252:
2244:
2242:
2236:
2235:
2233:
2232:
2224:
2218:
2212:
2211:
2209:
2208:
2201:
2198:Coloraderpeton
2193:
2191:
2185:
2184:
2182:
2181:
2174:
2167:
2159:
2153:
2144:
2143:
2141:
2140:
2130:
2120:
2110:
2100:
2090:
2080:
2070:
2060:
2050:
2040:
2030:
2020:
2010:
1999:
1993:
1981:
1980:
1977:
1976:
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1973:
1966:
1959:
1951:
1949:
1940:
1939:
1937:
1936:
1926:
1916:
1906:
1896:
1886:
1875:
1865:
1855:
1845:
1835:
1825:
1815:
1804:
1794:
1784:
1773:
1767:
1754:
1753:
1729:
1728:
1725:
1724:
1698:
1696:
1693:
1692:
1689:
1688:
1685:
1684:
1681:
1680:
1678:
1677:
1676:
1675:
1669:
1667:
1649:
1648:
1646:
1645:
1635:
1625:
1615:
1605:
1595:
1585:
1573:
1567:
1561:
1560:
1558:
1557:
1550:
1543:
1536:
1529:
1522:
1518:Marsdenichthys
1514:
1507:
1499:
1492:
1485:
1478:
1471:
1468:Eusthenopteron
1464:
1457:
1450:
1443:
1436:
1433:Callistipterus
1429:
1422:
1414:
1412:
1403:
1402:
1400:
1399:
1387:
1381:
1375:
1374:
1372:
1371:
1363:
1360:Sengoerichthys
1356:
1349:
1346:Palatinichthys
1342:
1334:
1326:
1319:
1312:
1304:
1297:
1289:
1282:
1274:
1272:
1263:
1262:
1260:
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2027:Crassigyrinus
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766:Gnathostomata
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241:Binomial name
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56:
51:
46:
41:
35:
26:
22:
19:
3100:Greererpeton
3099:
3022:Other topics
3003:Holospondyli
2998:Lepospondyli
2947:Polyphyletic
2942:Paraphyletic
2882:
2819:Lissamphibia
2770:
2763:
2756:
2749:
2741:
2736:Caerorhachis
2734:
2706:
2699:
2692:
2669:
2664:Seroherpeton
2662:
2655:
2648:
2641:
2634:
2627:
2622:Neopteroplax
2620:
2613:
2605:
2598:
2591:
2583:
2575:
2568:
2561:
2554:
2547:
2520:
2513:
2506:
2499:
2479:
2471:
2412:
2405:
2398:
2393:Adelogyrinus
2391:
2371:
2344:
2339:Greererpeton
2338:
2337:
2330:
2323:
2300:
2293:
2285:
2254:
2247:
2227:
2203:
2196:
2178:Ophiderpeton
2176:
2169:
2162:
2135:
2125:
2115:
2105:
2095:
2087:Mesanerpeton
2085:
2075:
2065:
2055:
2045:
2035:
2025:
2017:Aytonerpeton
2015:
2005:
1970:Webererpeton
1968:
1961:
1956:Elginerpeton
1954:
1931:
1921:
1911:
1901:
1891:
1880:
1870:
1860:
1850:
1840:
1832:Ichthyostega
1830:
1820:
1811:Elpistostege
1809:
1801:Densignathus
1799:
1789:
1781:Acanthostega
1779:
1747:
1738:Stegocephali
1706:
1662:
1653:Stegocephali
1640:
1632:Rubrognathus
1630:
1620:
1610:
1600:
1590:
1579:
1552:
1545:
1538:
1531:
1526:Notorhizodon
1524:
1516:
1509:
1501:
1494:
1487:
1480:
1473:
1466:
1459:
1452:
1445:
1438:
1431:
1424:
1417:
1393:
1365:
1358:
1351:
1344:
1338:Megistolepis
1336:
1328:
1323:Megalichthys
1321:
1314:
1306:
1299:
1291:
1284:
1279:Askerichthys
1277:
1253:
1245:
1238:
1231:
1224:
1200:
1194:Thysanolepis
1192:
1185:
1178:
1171:
1164:
1157:
1152:Pycnoctenion
1150:
1143:
1136:
1129:
1124:Gooloogongia
1122:
1115:
1108:
1101:
1094:Rhizodontida
1078:
1068:
1058:
1048:
1038:
1028:
1018:
1008:
1000:Muranjilepis
998:
988:
978:
968:
958:
948:
938:
928:
920:Gyroptychius
918:
908:
898:
888:
878:
868:
858:
745:
736:
732:Osteichthyes
727:
640:Skull fossil
596:
592:
586:
562:
543:
509:
505:
501:
466:(1): 29–90.
463:
459:
441:
437:
427:
413:Greererpeton
412:
409:Greererpeton
408:
404:
400:Greererpeton
399:
395:
388:Greererpeton
387:
385:
380:Greererpeton
379:
376:Greererpeton
375:
363:Greererpeton
362:
359:Greererpeton
358:
356:
353:Paleobiology
347:Greererpeton
346:
342:
330:
326:Greererpeton
325:
324:
296:Greererpeton
295:
267:
266:
265:
252:
247:
231:
230:
218:Greererpeton
217:
216:
184:
171:
120:Greererpeton
119:
25:Greererpeton
24:
18:
3039:Romer's gap
2835:Pan-Amniota
2783:Crown group
2636:Papposaurus
2460:Baphetoidea
2316:Colosteidae
2302:Whatcheeria
2256:Sillerpeton
2047:Doragnathus
2007:Antlerpeton
1540:Spodichthys
1503:Litoptychus
1461:Eusthenodon
1454:Edenopteron
1447:Devonosteus
1353:Rhizodopsis
1316:Mahalalepis
1293:Cryptolepis
1240:Koharalepis
1226:Beelarongia
1202:Vorobjevaia
1180:Screbinodus
1173:Sauripterus
1166:Rossichthys
1138:Letognathus
1103:Archichthys
1080:Viluichthys
950:Litoptychus
890:Glyptopomus
870:Chrysolepis
750:Rhipidistia
259:Romer, 1969
204:Colosteidae
3191:Colosteids
3185:Categories
2758:Eoherpeton
2607:Eoherpeton
2600:Eobaphetes
2540:Embolomeri
2492:Baphetidae
2117:Perittodus
2037:Diploradus
1923:Ventastega
1893:Tulerpeton
1862:Parmastega
1842:Jakubsonia
1822:Hynerpeton
1748:sensu lato
1674:see below↓
1663:sensu lato
1622:Qikiqtania
1511:Mandageria
1496:Langlieria
1440:Canningius
1233:Canowindra
1187:Strepsodus
1040:Shirolepis
1010:Osteolepis
940:Kenichthys
880:Geptolepis
860:Bogdanovia
802:see below↓
438:Kirtlandia
2988:Rachitomi
2853:includes
2817:includes
2787:Tetrapoda
2751:Eldeceeon
2743:Casineria
2657:Pteroplax
2445:Nectridea
2433:Nectridea
2325:Colosteus
2287:Ossinodus
2171:Lethiscus
2151:Aistopoda
2127:Sigournea
2107:Ossirarus
1913:Umzantsia
1882:Tiktaalik
1872:Sinostega
1744:Tetrapoda
1659:Tetrapoda
1642:Tiktaalik
1592:Livoniana
1489:Jarvikina
1330:Megapomus
1070:Tungsenia
1020:Peregrina
900:Gogonasus
715:Kingdom:
613:0024-4082
480:0024-4082
419:Footnotes
335:vertebrae
314:in 1989.
281:colosteid
225:Species:
151:Kingdom:
145:Eukaryota
114:Specimen
3109:Wikidata
3075:Category
3044:Timeline
2585:Cricotus
2556:Archeria
2508:Kyrinion
2501:Baphetes
2473:Eucritta
2295:Pederpes
2097:Occidens
1988:Devonian
1903:Tutusius
1762:Devonian
1308:Lohsania
1159:Rhizodus
1117:Barameda
1060:Thursius
980:Medoevia
723:Chordata
721:Phylum:
717:Animalia
571:Archived
197:Family:
165:Chordata
161:Phylum:
155:Animalia
141:Domain:
3155:3620905
3142:1014717
3129:4815782
3115:Q137492
2855:Amniota
2563:Aversor
2515:Loxomma
2077:Koilops
2057:Gaiasia
1547:Tinirau
1482:Hyneria
1255:Owensia
1110:Aztecia
970:Latvius
579:Palaeos
526:2396758
444:: 1–20.
405:Andrias
396:Andrias
343:Andrias
331:Andrias
250:†
229:†
210:Genus:
2949:groups
1933:Ymeria
1131:Hongyu
611:
550:
524:
478:
371:stapes
292:Viséan
3168:36977
3137:IRMNG
2722:Other
1985:Post-
746:Clade
737:Clade
728:Clade
522:JSTOR
339:skull
277:genus
185:Clade
172:Clade
3124:GBIF
2847:see
2811:see
2443:see
1991:taxa
1765:taxa
779:see
609:ISSN
548:ISBN
476:ISSN
365:had
116:CMNH
40:PreꞒ
601:doi
597:126
514:doi
510:323
468:doi
279:of
3187::
3165::
3152::
3139::
3126::
3111::
748::
739::
730::
607:.
595:.
577:,
534:^
520:.
508:.
488:^
474:.
464:76
462:.
450:^
440:.
436:.
187::
174::
90:Pg
34:Ma
2979:?
2973:?
2944:/
2837:)
2833:(
2799:(
2746:?
2728:"
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2719:†
2682:†
2610:?
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2537:†
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2457:†
2435:"
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2429:†
2357:†
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2275:†
2148:†
2133:†
2123:†
2113:†
2103:†
2093:†
2083:†
2073:†
2063:†
2053:†
2043:†
2033:†
2023:†
2013:†
2003:†
1944:†
1929:†
1919:†
1909:†
1899:†
1889:†
1885:?
1878:†
1868:†
1858:†
1848:†
1838:†
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1818:†
1814:?
1807:†
1797:†
1787:†
1777:†
1750:)
1741:(
1665:)
1656:(
1638:†
1628:†
1618:†
1608:†
1598:†
1588:†
1584:?
1577:†
1521:?
1506:?
1407:†
1398:?
1391:†
1370:?
1341:?
1333:?
1311:?
1296:?
1267:†
1258:?
1250:?
1214:†
1205:?
1197:?
1091:†
1076:†
1066:†
1056:†
1046:†
1036:†
1026:†
1016:†
1006:†
996:†
986:†
976:†
966:†
956:†
946:†
936:†
926:†
916:†
906:†
896:†
886:†
876:†
866:†
856:†
698:)
694:(
684:e
677:t
670:v
615:.
603::
556:.
528:.
516::
482:.
470::
442:6
394:(
329:(
214:†
201:†
95:N
85:K
80:J
75:T
70:P
65:C
60:D
55:S
50:O
45:Ꞓ
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