1981:
40:
1311:
466:
830:
393:
2009:
1712:
2798:
1673:
985:
159:
1126:
218:
1029:
625:
549:
1995:
141:
794:
661:
2734:
1233:
429:
1070:
2543:
Johnson, G. D. (1999). "Dentitions of Late
Palaeozoic Orthacanthus species and new species of ?Xenacanthus (Chondrichthyes: Xenacanthiformes) from North America".
2782:
1722:
261:
experienced fluctuation and growth during this time period, and the associated aridity decrease impacted seabed deposition in localities across the basin.
2022:
804:
1944:
1619:
1392:
1776:
1136:
1462:
2775:
1480:
1915:
708:
671:
2866:
2842:
2768:
2507:"Dentitions of Barbclabornia (new genus, Chondrichthyes: Xenacanthiformes) from the Upper Palaeozoic of North America"
2861:
2395:"A palaeonisciform braincase from the Permian of Texas, with comments on cranial fissures and the posterior myodome"
2304:"Lungfish from the Lueders Formation (Lower Permian, Texas) and the Gnathorhiza-Lepidosirenid Ancestry Questioned"
242:
covered much of the central United States, including Texas. The
Lueders Formation would have been located in the
2348:"Notes on Permian Fishes from Lake Kemp, Baylor County, Texas, with a Synopsis of Texas Palaeonisciform Fishes"
2835:
2571:"Panduralimulus babcocki n. gen. and sp., a New Limulacean Horseshoe Crab from the Permian of Texas"
2131:
39:
2744:
2652:"Tinsleya, a new genus of seed-bearing callipterid plants from the Permian of north-central Texas"
285:
deposits, preserving marine sharks and fish, whereas darker terrestrial sediments and freshwater
45:
2871:
2056:
2828:
2208:"Geology and Vertebrate Paleontology of a Lower Permian Delta Margin in Baylor County, Texas"
2118:
2101:
Shell, Ryan; Peterman, David; Ciampaglio, Charles; Armstrong, Adam; Laurene
Fuelling (2020).
2027:
1986:
1310:
258:
2816:
2756:
2710:
465:
273:
environment, with terrestrial sediments being deposited onto the muddy bottom of a shallow
57:
8:
2014:
829:
192:
2629:
2590:
2548:
2487:
2468:"Hybodontoidei (Chondrichthyes) from the Wichita-Albany Group (Early Permian) of Texas"
2441:
2375:
2323:
2277:
2235:
879:
239:
2692:
2621:
2582:
2552:
2506:
2479:
2433:
2367:
2315:
2269:
2227:
693:
617:
2808:
2682:
2518:
2402:
2359:
2219:
2106:
243:
211:
92:
2103:"A fossil molluscan fauna from the lower Lueders Formation of north-central Texas"
392:
1062:
1021:
822:
760:
730:
541:
278:
254:
102:
2670:
2110:
2812:
2752:
2102:
1683:
1410:
1303:
439:
179:
2651:
1711:
2855:
2708:
2696:
2625:
2586:
2523:
2483:
2437:
2371:
2319:
2273:
2231:
1961:
960:
164:
31:
27:
1672:
984:
2797:
2741:
2000:
1933:
1750:
1125:
1080:
995:
289:
deposits contain remains of land animals and freshwater fish respectively.
200:
67:
2687:
217:
1790:
1697:
1647:
1185:
1028:
841:
635:
367:
338:
282:
793:
2633:
2609:
2594:
2570:
2491:
2467:
2445:
2421:
2379:
2347:
2327:
2303:
2281:
2257:
2239:
2207:
1817:
1704:
1587:
1284:
1058:
1017:
859:
742:
624:
548:
522:
490:
385:
356:
251:
247:
2406:
1848:
1797:
1740:
1665:
1636:
1505:
1366:
1335:
1225:
1202:
1118:
1097:
977:
771:
601:
568:
458:
421:
306:
2363:
2223:
2671:"New species of Gigantopteridaceae from the lower Permian of Texas"
1765:
1490:
1381:
1252:
1174:
1153:
949:
928:
786:
723:
653:
2394:
2805:
1863:
1556:
1525:
1430:
1039:
911:
274:
270:
208:
204:
2610:"A Koninckioceras from the Lower Permian of North-Central Texas"
2100:
660:
403:
2733:
2748:
1883:
286:
196:
146:
1232:
428:
277:
by shifting freshwater streams. In the
Maybelle Member, the
2422:"An Unusual Paleonisciform Fish from the Permian of Texas"
1069:
238:
At the time of deposition, a broad sea connected to the
224:, a microconchid from the Lueders Formation of Texas.
2258:"Crossotelos, an Early Permian Nectridean Amphibian"
1976:
2711:"Fossilworks: Gateway to the Paleobiology Database"
2709:Various Contributors to the Paleobiology Database.
700:-like', now thought to represent the genus itself.
2393:Schaeffer, Bobb; Dalquest, Walter Woelber (1978).
2023:List of fossiliferous stratigraphic units in Texas
2392:
2853:
2345:
2205:
2608:Miller, A. K.; Kemp, Augusta Hasslock (1947).
2346:Dalquest, Walter W.; Kocurko, M. John (1988).
2206:Dalquest, Walter W.; Kocurko, M. John (1986).
250:. Climatically, after the retreat of an early
2836:
2776:
2568:
2569:Allen, Joel G.; Feldmann, Rodney M. (2005).
649:Jaw elements & near-complete specimen.
264:
2843:
2829:
2783:
2769:
2668:
2607:
38:
16:Geologic formation in Texas, United States
2686:
2522:
2419:
1881:
1815:
1585:
1523:
1428:
1333:
1250:
877:
566:
488:
304:
216:
2542:
2504:
2465:
2255:
2854:
2301:
756:Partial bodies & numerous scales.
2649:
2645:
2643:
2564:
2562:
2538:
2536:
2534:
2201:
2199:
2197:
2195:
2193:
2191:
2189:
2187:
2185:
2183:
2181:
2179:
2177:
2175:
2173:
2171:
2169:
2167:
2165:
2163:
2161:
2096:
870:
2792:
2728:
2656:Geological Survey Professional Paper
2461:
2459:
2457:
2455:
2341:
2339:
2337:
2297:
2295:
2293:
2291:
2251:
2249:
2159:
2157:
2155:
2153:
2151:
2149:
2147:
2145:
2143:
2141:
2094:
2092:
2090:
2088:
2086:
2084:
2082:
2080:
2078:
2076:
2051:
2049:
2047:
2045:
2043:
689:Remains of millions of individuals.
1886:reported from the Lueders Formation
1820:reported from the Lueders Formation
1590:reported from the Lueders Formation
1528:reported from the Lueders Formation
1433:reported from the Lueders Formation
1338:reported from the Lueders Formation
1299:Neural spine & bone fragments.
1255:reported from the Lueders Formation
882:reported from the Lueders Formation
571:reported from the Lueders Formation
493:reported from the Lueders Formation
309:reported from the Lueders Formation
269:The Lueders Formation represents a
13:
2640:
2559:
2531:
2472:Journal of Vertebrate Paleontology
2262:Journal of Vertebrate Paleontology
1710:
1671:
1309:
1231:
1124:
1068:
1027:
983:
828:
818:Incomplete specimen (USNM 23109).
792:
659:
623:
547:
544:, known from freshwater deposits.
464:
427:
391:
14:
2883:
2669:Mamay, S H; Mamay, S. H. (1986).
2452:
2334:
2288:
2246:
2138:
2073:
2040:
782:Upper tooth plate (UCLA VP 431).
292:
233:
199:. It is the top formation of the
125:Interbedded shale & limestone
2796:
2732:
2007:
1993:
1979:
1321:
157:
139:
2662:
2601:
2505:Johnson, Gary D. (2008-04-22).
2498:
2057:"Geolex — Lueders publications"
1878:
1812:
1582:
1520:
1425:
1330:
1247:
874:
563:
485:
481:
301:
2867:Texas geologic formation stubs
2740:This article about a specific
2413:
2386:
1808:
1578:
228:
1:
2033:
1326:
297:
2815:. You can help Knowledge by
2804:This article related to the
2755:. You can help Knowledge by
2420:Dalquest, Walter W. (1966).
1516:
1243:
559:
7:
2352:The Southwestern Naturalist
2212:The Southwestern Naturalist
2111:10.13140/RG.2.2.15600.81924
1972:
1421:
454:Limb & skull elements.
417:Limb & skull elements.
10:
2888:
2791:
2727:
2650:Mamay, Sergius H. (1966).
2256:Carlson, Keith J. (1999).
722:A braincase & 2 large
656:from freshwater deposits.
2466:Johnson, Gary D. (1981).
2399:American Museum Novitates
2302:Berman, David S. (1968).
1874:
1183:
1134:
1078:
909:
175:
170:
152:
134:
129:
121:
116:
108:
98:
88:
73:
63:
53:
37:
26:
21:
2862:Permian geology of Texas
2524:10.1002/mmng.20030060106
1570:A fragmentary bryozoan.
696:originally reported as '
265:Depositional environment
2614:Journal of Paleontology
2575:Journal of Paleontology
2545:Acta Geologica Polonica
2426:Journal of Paleontology
2308:Journal of Paleontology
476:
222:Helicoconchus elongatus
46:Wilbarger County, Texas
2126:Cite journal requires
1715:
1676:
1314:
1236:
1129:
1073:
1032:
988:
833:
797:
664:
628:
552:
469:
432:
396:
225:
2688:10.5962/bhl.part.6538
2028:Paleontology in Texas
1987:Earth sciences portal
1859:Columnal (WSU1405A).
1714:
1675:
1313:
1235:
1128:
1072:
1031:
987:
832:
796:
663:
627:
551:
468:
431:
395:
259:North American craton
257:, the deserts of the
220:
1929:Numerous specimens.
1406:Multiple specimens.
1061:found in the marine
1020:found in the marine
939:?A. sweetlacruzensis
855:Multiple specimens.
381:Multiple specimens.
352:Multiple specimens.
58:Geological formation
2015:Paleontology portal
1476:Valves (WSU 1407).
976:A giant freshwater
207:dating back to the
79:Lake Kemp Limestone
28:Stratigraphic range
1736:Shell (WSU 1442).
1723:Millkoninckioceras
1716:
1677:
1661:Shell (WSU 1437).
1315:
1237:
1130:
1074:
1033:
989:
880:Cartilaginous fish
871:Cartilaginous fish
834:
798:
665:
629:
553:
470:
433:
397:
281:likely represents
240:Panthalassic Ocean
226:
193:geologic formation
82:Maybelle Limestone
2824:
2823:
2764:
2763:
1970:
1969:
1926:Maybelle Member.
1872:
1871:
1806:
1805:
1576:
1575:
1514:
1513:
1419:
1418:
1403:Maybelle Member.
1319:
1318:
1296:Maybelle Member.
1241:
1240:
1218:Maybelle Member.
1051:Maybelle Member.
1010:Maybelle Member.
868:
867:
852:Maybelle Member.
815:Maybelle Member.
779:Maybelle Member.
753:Maybelle Member.
719:Maybelle Member.
686:Maybelle Member.
646:Maybelle Member.
610:Maybelle Member.
557:
556:
534:Maybelle Member.
474:
473:
451:Maybelle Member.
414:Maybelle Member.
378:Maybelle Member.
349:Maybelle Member.
189:Lueders Formation
185:
184:
22:Lueders Formation
2879:
2845:
2838:
2831:
2800:
2793:
2785:
2778:
2771:
2736:
2729:
2721:
2719:
2717:
2701:
2700:
2690:
2666:
2660:
2659:
2647:
2638:
2637:
2605:
2599:
2598:
2566:
2557:
2556:
2540:
2529:
2528:
2526:
2502:
2496:
2495:
2463:
2450:
2449:
2417:
2411:
2410:
2390:
2384:
2383:
2343:
2332:
2331:
2299:
2286:
2285:
2253:
2244:
2243:
2203:
2136:
2135:
2129:
2124:
2122:
2114:
2098:
2071:
2070:
2068:
2067:
2053:
2017:
2012:
2011:
2010:
2003:
1998:
1997:
1996:
1989:
1984:
1983:
1982:
1879:
1813:
1583:
1521:
1426:
1331:
1248:
1054:Isolated teeth.
973:Numerous teeth.
875:
805:Schaefferichthys
564:
486:
302:
244:northern tropics
163:
161:
160:
145:
143:
142:
93:Clear Fork Group
42:
19:
18:
2887:
2886:
2882:
2881:
2880:
2878:
2877:
2876:
2852:
2851:
2850:
2849:
2790:
2789:
2725:
2715:
2713:
2705:
2704:
2667:
2663:
2648:
2641:
2606:
2602:
2567:
2560:
2541:
2532:
2503:
2499:
2464:
2453:
2418:
2414:
2391:
2387:
2364:10.2307/3671755
2344:
2335:
2300:
2289:
2254:
2247:
2224:10.2307/3671702
2204:
2139:
2127:
2125:
2116:
2115:
2099:
2074:
2065:
2063:
2055:
2054:
2041:
2036:
2013:
2008:
2006:
1999:
1994:
1992:
1985:
1980:
1978:
1975:
1877:
1811:
1632:Internal mold.
1581:
1519:
1424:
1329:
1324:
1246:
1143:P. wichitaensis
1087:O. platypternus
1006:C. amblyxiphias
967:B. luedersensis
873:
823:palaeonisciform
811:S. leudersensis
761:palaeonisciform
731:palaeonisciform
694:palaeonisciform
618:palaeonisciform
562:
484:
479:
410:E. megacephalus
300:
295:
267:
255:glacial maximum
236:
231:
158:
156:
140:
138:
103:Talpa Formation
49:
17:
12:
11:
5:
2885:
2875:
2874:
2869:
2864:
2848:
2847:
2840:
2833:
2825:
2822:
2821:
2801:
2788:
2787:
2780:
2773:
2765:
2762:
2761:
2737:
2723:
2722:
2703:
2702:
2661:
2639:
2620:(4): 351–354.
2600:
2581:(3): 594–600.
2558:
2530:
2517:(1): 125–146.
2497:
2451:
2432:(3): 759–762.
2412:
2385:
2358:(3): 263–274.
2333:
2314:(3): 827–835.
2287:
2268:(4): 623–631.
2245:
2218:(4): 477–492.
2137:
2128:|journal=
2072:
2061:ngmdb.usgs.gov
2038:
2037:
2035:
2032:
2031:
2030:
2025:
2019:
2018:
2004:
1990:
1974:
1971:
1968:
1967:
1965:
1958:
1955:
1953:
1948:
1945:Zeilleropteris
1940:
1939:
1937:
1930:
1927:
1924:
1919:
1911:
1910:
1907:
1904:
1899:
1896:
1893:
1889:
1888:
1876:
1873:
1870:
1869:
1867:
1862:A fragmentary
1860:
1857:
1855:
1854:Indeterminate
1852:
1845:
1844:
1841:
1838:
1833:
1830:
1827:
1823:
1822:
1810:
1807:
1804:
1803:
1801:
1794:
1788:
1786:
1780:
1772:
1771:
1769:
1762:
1759:
1757:
1756:Indeterminate
1754:
1747:
1746:
1744:
1737:
1734:
1732:
1726:
1718:
1717:
1708:
1701:
1695:
1693:
1687:
1684:Michelinoceras
1679:
1678:
1669:
1662:
1659:
1657:
1651:
1643:
1642:
1640:
1633:
1630:
1628:
1623:
1620:Koninckioceras
1615:
1614:
1611:
1608:
1603:
1600:
1597:
1593:
1592:
1580:
1577:
1574:
1573:
1571:
1568:
1565:
1563:
1562:Indeterminate
1560:
1553:
1552:
1549:
1546:
1541:
1538:
1535:
1531:
1530:
1518:
1515:
1512:
1511:
1509:
1502:
1499:
1497:
1496:Indeterminate
1494:
1487:
1486:
1484:
1477:
1474:
1472:
1466:
1458:
1457:
1454:
1451:
1446:
1443:
1440:
1436:
1435:
1423:
1420:
1417:
1416:
1414:
1411:horseshoe crab
1407:
1404:
1401:
1396:
1393:Panduralimulus
1388:
1387:
1385:
1380:A fragmentary
1378:
1375:
1373:
1372:Indeterminate
1370:
1363:
1362:
1359:
1356:
1351:
1348:
1345:
1341:
1340:
1328:
1325:
1323:
1320:
1317:
1316:
1307:
1304:sphenacodontid
1300:
1297:
1294:
1288:
1280:
1279:
1276:
1273:
1268:
1265:
1262:
1258:
1257:
1245:
1242:
1239:
1238:
1229:
1222:
1219:
1216:
1209:
1208:
1206:
1199:
1196:
1194:
1192:?X. slaughteri
1189:
1181:
1180:
1178:
1171:
1168:
1166:
1160:
1159:
1157:
1150:
1147:
1145:
1140:
1132:
1131:
1122:
1115:
1112:
1110:
1104:
1103:
1101:
1094:
1091:
1089:
1084:
1076:
1075:
1066:
1055:
1052:
1049:
1043:
1035:
1034:
1025:
1014:
1011:
1008:
999:
991:
990:
981:
974:
971:
969:
964:
956:
955:
953:
946:
943:
941:
935:
934:
932:
925:
922:
920:
915:
907:
906:
903:
900:
895:
892:
889:
885:
884:
872:
869:
866:
865:
863:
856:
853:
850:
848:?S. pustulosus
845:
836:
835:
826:
819:
816:
813:
808:
800:
799:
790:
783:
780:
777:
775:
767:
766:
764:
757:
754:
751:
746:
737:
736:
734:
727:
720:
717:
712:
704:
703:
701:
690:
687:
684:
682:L. taylorensis
675:
667:
666:
657:
650:
647:
644:
639:
631:
630:
621:
614:
611:
608:
606:
596:
595:
592:
589:
584:
581:
578:
574:
573:
561:
558:
555:
554:
545:
538:
535:
532:
526:
518:
517:
514:
511:
506:
503:
500:
496:
495:
483:
480:
478:
475:
472:
471:
462:
455:
452:
449:
443:
440:Trimerorhachis
435:
434:
425:
418:
415:
412:
407:
399:
398:
389:
382:
379:
376:
374:D. magnicornis
371:
363:
362:
360:
353:
350:
347:
342:
334:
333:
330:
327:
322:
319:
316:
312:
311:
299:
296:
294:
293:Fossil content
291:
266:
263:
235:
234:Paleogeography
232:
230:
227:
203:and preserves
183:
182:
180:Lueders, Texas
177:
173:
172:
168:
167:
154:
150:
149:
136:
132:
131:
127:
126:
123:
119:
118:
114:
113:
110:
106:
105:
100:
96:
95:
90:
86:
85:
84:
83:
80:
75:
71:
70:
65:
61:
60:
55:
51:
50:
43:
35:
34:
24:
23:
15:
9:
6:
4:
3:
2:
2884:
2873:
2872:Permian stubs
2870:
2868:
2865:
2863:
2860:
2859:
2857:
2846:
2841:
2839:
2834:
2832:
2827:
2826:
2820:
2818:
2814:
2810:
2807:
2802:
2799:
2795:
2794:
2786:
2781:
2779:
2774:
2772:
2767:
2766:
2760:
2758:
2754:
2750:
2746:
2743:
2742:stratigraphic
2738:
2735:
2731:
2730:
2726:
2712:
2707:
2706:
2698:
2694:
2689:
2684:
2680:
2676:
2672:
2665:
2657:
2653:
2646:
2644:
2635:
2631:
2627:
2623:
2619:
2615:
2611:
2604:
2596:
2592:
2588:
2584:
2580:
2576:
2572:
2565:
2563:
2554:
2550:
2546:
2539:
2537:
2535:
2525:
2520:
2516:
2512:
2511:Fossil Record
2508:
2501:
2493:
2489:
2485:
2481:
2477:
2473:
2469:
2462:
2460:
2458:
2456:
2447:
2443:
2439:
2435:
2431:
2427:
2423:
2416:
2408:
2404:
2400:
2396:
2389:
2381:
2377:
2373:
2369:
2365:
2361:
2357:
2353:
2349:
2342:
2340:
2338:
2329:
2325:
2321:
2317:
2313:
2309:
2305:
2298:
2296:
2294:
2292:
2283:
2279:
2275:
2271:
2267:
2263:
2259:
2252:
2250:
2241:
2237:
2233:
2229:
2225:
2221:
2217:
2213:
2209:
2202:
2200:
2198:
2196:
2194:
2192:
2190:
2188:
2186:
2184:
2182:
2180:
2178:
2176:
2174:
2172:
2170:
2168:
2166:
2164:
2162:
2160:
2158:
2156:
2154:
2152:
2150:
2148:
2146:
2144:
2142:
2133:
2120:
2112:
2108:
2104:
2097:
2095:
2093:
2091:
2089:
2087:
2085:
2083:
2081:
2079:
2077:
2062:
2058:
2052:
2050:
2048:
2046:
2044:
2039:
2029:
2026:
2024:
2021:
2020:
2016:
2005:
2002:
1991:
1988:
1977:
1966:
1963:
1962:gigantopterid
1959:
1956:
1954:
1952:
1949:
1947:
1946:
1942:
1941:
1938:
1935:
1931:
1928:
1925:
1923:
1920:
1918:
1917:
1913:
1912:
1908:
1905:
1903:
1900:
1897:
1894:
1891:
1890:
1887:
1885:
1880:
1868:
1865:
1861:
1858:
1856:
1853:
1850:
1847:
1846:
1842:
1839:
1837:
1834:
1831:
1828:
1825:
1824:
1821:
1819:
1814:
1802:
1799:
1795:
1792:
1789:
1787:
1785:
1781:
1779:
1778:
1774:
1773:
1770:
1767:
1763:
1761:3 specimens.
1760:
1758:
1755:
1752:
1749:
1748:
1745:
1742:
1738:
1735:
1733:
1730:
1727:
1725:
1724:
1720:
1719:
1713:
1709:
1706:
1702:
1699:
1696:
1694:
1691:
1688:
1686:
1685:
1681:
1680:
1674:
1670:
1667:
1663:
1660:
1658:
1655:
1652:
1650:
1649:
1645:
1644:
1641:
1638:
1634:
1631:
1629:
1627:
1624:
1622:
1621:
1617:
1616:
1612:
1609:
1607:
1604:
1601:
1598:
1595:
1594:
1591:
1589:
1584:
1572:
1569:
1566:
1564:
1561:
1558:
1555:
1554:
1550:
1547:
1545:
1542:
1539:
1536:
1533:
1532:
1529:
1527:
1522:
1510:
1507:
1503:
1500:
1498:
1495:
1492:
1489:
1488:
1485:
1482:
1478:
1475:
1473:
1470:
1467:
1465:
1464:
1460:
1459:
1455:
1452:
1450:
1447:
1444:
1441:
1438:
1437:
1434:
1432:
1427:
1415:
1412:
1408:
1405:
1402:
1400:
1397:
1395:
1394:
1390:
1389:
1386:
1383:
1379:
1376:
1374:
1371:
1368:
1365:
1364:
1360:
1357:
1355:
1352:
1349:
1346:
1343:
1342:
1339:
1337:
1332:
1322:Invertebrates
1312:
1308:
1305:
1301:
1298:
1295:
1292:
1289:
1287:
1286:
1282:
1281:
1277:
1274:
1272:
1269:
1266:
1263:
1260:
1259:
1256:
1254:
1249:
1234:
1230:
1227:
1224:A freshwater
1223:
1220:
1217:
1214:
1211:
1210:
1207:
1204:
1201:A freshwater
1200:
1197:
1195:
1193:
1190:
1188:
1187:
1182:
1179:
1176:
1172:
1169:
1167:
1165:
1162:
1161:
1158:
1155:
1151:
1148:
1146:
1144:
1141:
1139:
1138:
1133:
1127:
1123:
1120:
1117:A freshwater
1116:
1113:
1111:
1109:
1106:
1105:
1102:
1099:
1096:A freshwater
1095:
1092:
1090:
1088:
1085:
1083:
1082:
1077:
1071:
1067:
1064:
1060:
1056:
1053:
1050:
1047:
1044:
1042:
1041:
1037:
1036:
1030:
1026:
1023:
1019:
1015:
1012:
1009:
1007:
1003:
1000:
998:
997:
993:
992:
986:
982:
979:
975:
972:
970:
968:
965:
963:
962:
961:Barbclabornia
958:
957:
954:
951:
947:
944:
942:
940:
937:
936:
933:
930:
926:
923:
921:
919:
916:
914:
913:
908:
904:
901:
899:
896:
893:
890:
887:
886:
883:
881:
876:
864:
861:
857:
854:
851:
849:
846:
844:
843:
838:
837:
831:
827:
824:
821:A freshwater
820:
817:
814:
812:
809:
807:
806:
802:
801:
795:
791:
788:
784:
781:
778:
776:
774:
773:
769:
768:
765:
762:
759:A marine (?)
758:
755:
752:
750:
747:
745:
744:
739:
738:
735:
732:
728:
725:
721:
718:
716:
713:
711:
710:
706:
705:
702:
699:
695:
691:
688:
685:
683:
679:
676:
674:
673:
669:
668:
662:
658:
655:
651:
648:
645:
643:
640:
638:
637:
633:
632:
626:
622:
619:
615:
612:
609:
607:
605:
603:
598:
597:
593:
590:
588:
585:
582:
579:
576:
575:
572:
570:
565:
550:
546:
543:
542:acanthodiform
539:
537:A fin spine.
536:
533:
530:
527:
525:
524:
520:
519:
515:
512:
510:
507:
504:
501:
498:
497:
494:
492:
487:
467:
463:
460:
456:
453:
450:
447:
444:
442:
441:
437:
436:
430:
426:
423:
419:
416:
413:
411:
408:
406:
405:
401:
400:
394:
390:
387:
383:
380:
377:
375:
372:
370:
369:
365:
364:
361:
358:
354:
351:
348:
346:
343:
341:
340:
336:
335:
331:
328:
326:
323:
320:
317:
314:
313:
310:
308:
303:
290:
288:
284:
280:
276:
272:
262:
260:
256:
253:
249:
245:
241:
223:
219:
215:
213:
210:
206:
202:
198:
194:
190:
181:
178:
174:
169:
166:
165:United States
155:
151:
148:
137:
133:
128:
124:
120:
115:
112:50 to 70 feet
111:
107:
104:
101:
97:
94:
91:
87:
81:
78:
77:
76:
72:
69:
66:
62:
59:
56:
52:
47:
41:
36:
33:
32:Early Permian
29:
25:
20:
2817:expanding it
2803:
2757:expanding it
2739:
2724:
2714:. Retrieved
2678:
2674:
2664:
2655:
2617:
2613:
2603:
2578:
2574:
2544:
2514:
2510:
2500:
2475:
2471:
2429:
2425:
2415:
2398:
2388:
2355:
2351:
2311:
2307:
2265:
2261:
2215:
2211:
2119:cite journal
2064:. Retrieved
2060:
2001:Texas portal
1950:
1943:
1934:pteridosperm
1921:
1914:
1901:
1882:
1835:
1816:
1783:
1777:Stenopoceras
1775:
1751:Perrinitidae
1728:
1721:
1700:(WSU 1406).
1689:
1682:
1653:
1646:
1625:
1618:
1605:
1586:
1543:
1524:
1468:
1461:
1448:
1429:
1398:
1391:
1353:
1334:
1290:
1283:
1270:
1251:
1212:
1191:
1184:
1163:
1142:
1135:
1107:
1086:
1081:Orthacanthus
1079:
1045:
1038:
1013:Fin spines.
1005:
1001:
996:Ctenacanthus
994:
966:
959:
938:
917:
910:
897:
878:
847:
839:
810:
803:
770:
749:?P. palmaris
748:
740:
714:
707:
697:
681:
677:
670:
641:
634:
599:
586:
567:
528:
521:
508:
491:Acanthodians
489:
482:Acanthodians
445:
438:
409:
402:
373:
366:
345:C. annulatus
344:
337:
324:
305:
268:
237:
221:
201:Albany Group
188:
186:
171:Type section
68:Albany Group
44:Exposure in
2716:17 December
2681:: 311–315.
2478:(1): 1–41.
1818:Echinoderms
1809:Echinoderms
1791:Phragmocone
1698:Phragmocone
1648:Metacoceras
1588:Cephalopods
1579:Cephalopods
1504:An unknown
1399:P. babcocki
1186:Xenacanthus
1137:Polyacrodus
1108:O. texensis
842:Spermatodus
636:Gnathorhiza
368:Diplocaulus
339:Crossotelos
229:Description
2856:Categories
2675:Phytologia
2066:2023-07-25
2034:References
1705:orthocerid
1567:WSU 1430.
1463:Myalinella
1377:WSU 1445.
1336:Arthropods
1327:Arthropods
1285:Dimetrodon
1059:petalodont
1018:ctenacanth
918:?A. olsoni
860:coelacanth
743:Platysomus
642:G. serrata
523:Acanthodes
386:nectridean
357:nectridean
307:Amphibians
298:Amphibians
252:Artinskian
248:subtropics
2745:formation
2697:0031-9430
2626:0022-3360
2587:0022-3360
2553:128796206
2484:0272-4634
2438:0022-3360
2407:2246/5327
2372:0038-4909
2320:0022-3360
2274:0272-4634
2232:0038-4909
1951:Z. wattii
1922:T. texana
1898:Presence
1849:Crinoidea
1832:Presence
1798:nautiloid
1784:S. whitei
1741:nautiloid
1666:nautiloid
1637:nautiloid
1602:Presence
1540:Presence
1526:Bryozoans
1517:Bryozoans
1506:pen shell
1445:Presence
1367:Ostracoda
1350:Presence
1267:Presence
1253:Synapsids
1244:Synapsids
1226:xenacanth
1221:A tooth.
1203:xenacanth
1164:P. zideki
1119:xenacanth
1098:xenacanth
978:xenacanth
894:Presence
772:Sagenodus
729:A marine
602:Acrolepis
583:Presence
569:Bony fish
560:Bony fish
505:Presence
459:dvinosaur
321:Presence
176:Named for
117:Lithology
109:Thickness
89:Underlies
74:Sub-units
2401:(2658).
1973:See also
1957:Leaves.
1916:Tinsleya
1902:Material
1836:Material
1766:ammonite
1626:K. bibbi
1606:Material
1544:Material
1491:Pinnidae
1481:myalinid
1449:Material
1431:Bivalves
1422:Bivalves
1382:ostracod
1354:Material
1271:Material
1175:hybodont
1154:hybodont
1063:dolomite
1022:dolomite
950:hybodont
929:hybodont
898:Material
787:lungfish
724:cleithra
715:L. kempi
709:Luederia
654:lungfish
613:Scales.
587:Material
509:Material
325:Material
279:dolomite
130:Location
99:Overlies
2806:Permian
2658:: 1–15.
2634:1299305
2595:4095027
2492:4522833
2446:1301762
2380:3671755
2328:1302378
2282:4524033
2240:3671702
1909:Images
1895:Species
1864:crinoid
1851:indet.
1843:Images
1829:Species
1753:indet.
1613:Images
1599:Species
1559:indet.
1557:Bryozoa
1551:Images
1537:Species
1501:Shell.
1493:indet.
1456:Images
1442:Species
1369:indet.
1361:Images
1347:Species
1278:Images
1264:Species
1198:Teeth.
1170:Teeth.
1149:Teeth.
1114:Teeth.
1093:Teeth.
1040:Janassa
945:Teeth.
924:Teeth.
912:Acrodus
905:Images
891:Species
594:Images
580:Species
516:Images
502:Species
422:eryopid
332:Images
318:Species
275:estuary
271:deltaic
209:Permian
205:fossils
153:Country
122:Primary
64:Unit of
48:(1908).
2809:period
2695:
2632:
2624:
2593:
2585:
2551:
2490:
2482:
2444:
2436:
2378:
2370:
2326:
2318:
2280:
2272:
2238:
2230:
1884:Plants
1875:Plants
698:Lawnia
672:Lawnia
404:Eryops
283:marine
212:period
162:
144:
135:Region
2811:is a
2751:is a
2749:Texas
2630:JSTOR
2591:JSTOR
2549:S2CID
2488:JSTOR
2442:JSTOR
2376:JSTOR
2324:JSTOR
2278:JSTOR
2236:JSTOR
1906:Notes
1892:Genus
1840:Notes
1826:Genus
1610:Notes
1596:Genus
1548:Notes
1534:Genus
1453:Notes
1439:Genus
1358:Notes
1344:Genus
1275:Notes
1261:Genus
902:Notes
888:Genus
591:Notes
577:Genus
513:Notes
499:Genus
329:Notes
315:Genus
287:shale
197:Texas
191:is a
147:Texas
2813:stub
2753:stub
2718:2021
2693:ISSN
2622:ISSN
2583:ISSN
2480:ISSN
2434:ISSN
2368:ISSN
2316:ISSN
2270:ISSN
2228:ISSN
2132:help
1782:cf.
1731:sp.
1692:sp.
1656:sp.
1471:sp.
1293:sp.
1215:sp.
1048:sp.
1004:cf.
680:cf.
531:sp.
477:Fish
448:sp.
187:The
54:Type
2747:in
2683:doi
2519:doi
2403:hdl
2360:doi
2220:doi
2107:doi
1764:An
540:An
420:An
246:or
195:in
2858::
2691:.
2679:61
2677:.
2673:.
2654:.
2642:^
2628:.
2618:21
2616:.
2612:.
2589:.
2579:79
2577:.
2573:.
2561:^
2547:.
2533:^
2513:.
2509:.
2486:.
2474:.
2470:.
2454:^
2440:.
2430:40
2428:.
2424:.
2397:.
2374:.
2366:.
2356:33
2354:.
2350:.
2336:^
2322:.
2312:42
2310:.
2306:.
2290:^
2276:.
2266:19
2264:.
2260:.
2248:^
2234:.
2226:.
2216:31
2214:.
2210:.
2140:^
2123::
2121:}}
2117:{{
2105:.
2075:^
2059:.
2042:^
1964:.
1960:A
1936:.
1932:A
1866:.
1800:.
1796:A
1793:.
1768:.
1743:.
1739:A
1729:M.
1707:.
1703:A
1690:M.
1668:.
1664:A
1654:M.
1639:.
1635:A
1508:.
1483:.
1479:A
1469:M.
1413:.
1409:A
1384:.
1306:.
1302:A
1291:D.
1228:.
1213:X.
1205:.
1177:.
1173:A
1156:.
1152:A
1121:.
1100:.
1065:.
1057:A
1046:J.
1024:.
1016:A
1002:C.
980:.
952:.
948:A
931:.
927:A
862:.
858:A
825:.
789:.
785:A
763:.
733:.
726:.
692:A
678:L.
652:A
620:.
616:A
529:A.
461:.
457:A
446:T.
424:.
388:.
384:A
359:.
355:A
214:.
30::
2844:e
2837:t
2830:v
2819:.
2784:e
2777:t
2770:v
2759:.
2720:.
2699:.
2685::
2636:.
2597:.
2555:.
2527:.
2521::
2515:6
2494:.
2476:1
2448:.
2409:.
2405::
2382:.
2362::
2330:.
2284:.
2242:.
2222::
2134:)
2130:(
2113:.
2109::
2069:.
840:?
741:?
604:"
600:"
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
