612:
2149:
367:. The skeletons are generally preserved in straight, relaxed poses, with the skull aligned towards the east, southwest, or north. Both conditions are similar to modern abrupt mortality events where the animals' corpses end up in permanent bodies of water. Plant debris and charcoal are common in the bonebed as well. It is conceivable that most of the animals killed by a single catastrophe, perhaps a forest fire which polluted the air and water to kill both terrestrial and aquatic animals in the confines of a small lake or pond.
683:
766:
2177:
3561:
1044:
229:
1201:
1139:
744:
1302:
713:
1467:
795:
2163:
211:
862:
1361:
896:
3497:
1228:
561:
984:
643:
1608:
1108:
374:), Loftin Bonebed, and Rattlesnake Canyon 2 Bonebed. Their fossil content is more diverse than the Geraldine Bonebed, but also less well-preserved. Unlike the catastrophic scenario implied for Geraldine, these other bonebeds are assumed to be a product of gradual processes of death and decay experienced in calm pond environments.
1621:
Plant fossils are known from several bonebeds of the Nocona
Formation, though they are subordinate to vertebrate fossils at most sites. Insect damage has been recorded on leaves from the Coprolite Bonebed. It is uncommon (only a third as frequent as in modern plants), even when compared to only
334:
which defines the Texas-Oklahoma border. It reaches its thickest extent of around 350 feet in Clay County, where individual sandstone beds can reach a thickness of 40 feet. The most southern extent of the Nocona
Formation is the southwestern portion of Archer County.
477:
in the vicinity of
Rattlesnake Canyon, and subsequently described by Romer and Price in 1939. It had a shell-like texture which was not easily comparable to nodules from the Permian of Texas, and the authors considered it to have potentially been laid by a
1622:
slightly younger sites such as the Taint locality in the
Waggoner Ranch Formation. Despite the rarity of insect damage, the Coprolite Bonebed shows the oldest occurrence of skeletonization (removal of all but the veins), as well as
295:, a time-equivalent marine deposit located further southwest in Texas. The Nocona Formation is considered equivalent to most of the Admiral Formation (apart from the highest few layers), as well as the
3545:
3272:
Fischer, Jan; Schneider, Jörg W.; Hodnett, John-Paul M.; Elliott, David K.; Johnson, Gary D.; Voigt, Silke; Joachimski, Michael M.; Tichomirowa, Marion; Götze, Jens (2014-11-02).
2515:
Hentz, Tucker F. (1988). "Lithostratigraphy and
Paleoenvironments of Upper Paleozoic Continental Red Beds, North-central Texas: Bowie (new) and Wichita (revised) Groups".
2190:
611:
2978:"First evidence of a bolosaurid parareptile in France (latest Carboniferous-earliest Permian of the Autun basin) and the spatiotemporal distribution of the Bolosauridae"
3077:"The discrepancy between morphological and microanatomical patterns of anamniotic stegocephalian postcrania from the Early Permian Briar Creek Bonebed (Texas)"
3538:
678:
One of the most common and characteristic fossils of the
Geraldine bonebed, with multiple articulated skeletons displayed in museums around the world.
979:. Multiple articulated skeletons have been found in the Geraldine bonebed, representing the most complete and well-described fossils of this species.
370:
Other productive Nocona
Formation bonebeds in Archer County include the Briar Creek Bonebed, Coprolite Bonebed (named for its concentration of shark
3402:"Minimal insect herbivory for the Lower Permian Coprolite Bone Bed site of north-central Texas, USA, and comparison to other Late Paleozoic floras"
3629:
3639:
3605:
3531:
3362:
2574:
3201:"Trimerorhachis (Amphibia: Temnospondyli) from the Lower Permian of Texas and New Mexico: cranial osteology, taxonomy and biostratigraphy"
3161:
3076:
3274:"Stable and radiogenic isotope analyses on shark teeth from the Early to the Middle Permian (Sakmarian–Roadian) of the southwestern USA"
3624:
2919:"Long bone histology of Ophiacodon reveals the geologically earliest occurrence of fibrolamellar bone in the mammalian stem lineage"
630:
A small sphenacodontid with a tall neural spine sail. Represented by three partial skeletons. Sometimes regarded as a juvenile of
2842:"Bone histology and microanatomy of Edaphosaurus and Dimetrodon (Amniota, Synapsida) vertebrae from the Lower Permian of Texas"
1734:
Common stem impressions of a large calamitacean sphenophyte (horsetail) which formed thickets in shallow water and shorelines.
307:. A few sources consider the Nocona Formation to be part of the Archer City Formation, but most regard it as a distinct unit.
276:
3343:"From wetlands to wet spots: Environmental tracking and the fate of Carboniferous elements in Early Permian tropical floras"
347:
in 1932. Numerous partial and complete skeletons have been recovered from this site, including some of the best fossils of
291:
The Nocona
Formation was named as a distinct geological unit in 1987; its fossil deposits were previously assigned to the
3240:"Dentitions of Barbclabornia (new genus, Chondrichthyes: Xenacanthiformes) from the Upper Palaeozoic of North America"
3041:
3598:
296:
3507:
682:
126:
2254:, Geological Society of America Special Papers, vol. 28, Geological Society of America, pp. 1–534,
765:
322:
are thick and extensive enough to be mapped out on a regional scale. The formation is most well-exposed in
3634:
2750:"A new sphenacodontid pelycosaur (Synapsida) from the Wichita Group, Lower Permian of north-central Texas"
2128:, a small tree accustomed to dry uplands. Associated stems and charcoal show similarity to the form genus
331:
1980:
3591:
2195:
2154:
300:
156:
1161:
A eucacopine dissorophid, a type of small terrestrial temnospondyl. Previously consider a specimen of
3401:
474:
323:
315:
2575:"Late Paleozoic continental warming of a cold tropical basin and floristic change in western Pangea"
2535:
2247:
2182:
260:
3342:
3273:
3239:
3115:
1837:
1511:
3323:
2918:
2798:"Long bone histology indicates sympatric species of Dimetrodon (Lower Permian, Sphenacodontidae)"
2725:
1804:, a small tree found in both swamps and uplands. Common in the Geraldine and Coprolite bonebeds.
327:
304:
146:
2362:
3455:
3358:
3293:
3220:
3135:
3000:
2890:"The skull of the herbivorous synapsid Edaphosaurus boanerges from the Lower Permian of Texas"
2863:
2817:
2769:
2698:
2655:
2597:
2555:
2472:
1437:
1246:
1242:
958:
553:
353:
292:
1686:
500:
in the object suggests that it may still be an egg, albeit one with a softer outer membrane.
3571:
3447:
3416:
3350:
3285:
3254:
3212:
3176:
3127:
3091:
2992:
2930:
2853:
2809:
2761:
2690:
2589:
2547:
2464:
2374:
2255:
1190:
604:
549:
3473:
2656:"Xenacanth sharks and other vertebrates from the Geraldine Bonebed, Lower Permian of Texas"
2453:"Early Permian depositional environments and pond bonebeds in central Archer County, Texas"
3560:
1410:
1354:
1351:
1336:
1131:
774:
736:
343:
One particularly notable bonebed is the
Geraldine Bonebed in Archer County, discovered by
2889:
2977:
1200:
1186:(vicinity of) Geraldine, Godwin Creek, Rattlesnake Canyon, Loftin, Rattlesnake Canyon 2
1138:
3575:
3515:
2517:
The
University of Texas at Austin, Bureau of Economic Geology, Report of Investigations
1742:
1701:
1528:
1175:
1116:
1043:
1036:
992:
743:
672:
3020:"Osteology and relationships of Captorhinus aguti (Cope) (Reptilia: Captorhinomorpha)"
3618:
3314:
Dunkle, David H. (1946). "A new palaeoniscoid fish from the Lower Permian of Texas".
3200:
2841:
2797:
2749:
2468:
2452:
2378:
2066:
1310:
1100:
1067:
903:
272:
234:
136:
76:
31:
27:
3216:
2494:
1245:
are known from the Geraldine, Coprolite, Loftin, and Rattlesnake Canyon 2 bonebeds.
3504:
2954:
2765:
2573:
Tabor, Neil J.; DiMichele, William A.; Montañez, Isabel P.; Chaney, Dan S. (2013).
2168:
2088:
1904:
1757:
1672:
1448:
1325:
1301:
888:
885:
651:
534:
349:
344:
3116:"A new amphibamid (Temnospondyli: Dissorophoidea) from the Early Permian of Texas"
2796:
Shelton, Christen D.; Sander, P. Martin; Stein, Koen; Winkelhorst, Herman (2012).
2551:
1968:
Stems and roots of a marattialean tree fern, likely the same plant which produced
1466:
794:
3420:
3289:
3131:
3019:
3247:
Mitteilungen aus dem Museum für Naturkunde in Berlin, Geowissenschaftliche Reihe
2996:
1995:
1798:
1675:
1589:
1564:
1384:
1193:
1052:
1033:
1007:
973:
839:
712:
691:
438:
268:
51:
36:
3436:"Russellites, new genus, a problematical plant from the lower Permian of Texas"
3341:
DiMichele, William A.; Tabor, Neil J.; Chaney, Dan S.; Nelson, W. John (2006),
3180:
3095:
2934:
2593:
1103:. Articulated skeletons and other remains are common in the Geraldine bonebed.
3354:
3162:"A new dissorophid temnospondyl from the Lower Permian of north-central Texas"
2813:
2802:
Earth and Environmental Science Transactions of the Royal Society of Edinburgh
2144:
2040:
2010:
1889:
1801:
1579:
1488:
1360:
1294:
1280:
1163:
976:
870:
861:
721:
569:
497:
490:
479:
424:
363:
314:
is the most common rock type in the formation, though grey mudstone and other
96:
61:
44:
3459:
3297:
3258:
3224:
3139:
3004:
2867:
2821:
2773:
2702:
2601:
2559:
2476:
318:
fine sediments are predominant in bonebeds. 11 distinct layers of dark brown
2055:
1954:
1907:
1812:
1783:
1720:
1705:
1657:
1539:
1223:
A zatracheid temnospondyl, a type of medium-sized terrestrial temnospondyl.
1209:
1147:
1096:
1070:
1018:
931:
895:
635:
371:
319:
193:
189:
101:
40:
2694:
2363:"Taphonomy of the Lower Permian Geraldine Bonebed in Archer County, Texas"
1227:
560:
3075:
Konietzko-Meier, Dorota; Shelton, Christen D.; Martin Sander, P. (2016).
1553:
507:
493:
311:
280:
179:
91:
86:
71:
66:
56:
3496:
3327:
983:
642:
3568:
2729:
2125:
2110:
1826:
1421:
1395:
1369:
812:
634:, but confirmed to be a unique species with small adults, according to
483:
431:
106:
81:
2678:
1607:
1107:
2858:
2259:
1081:
357:
3435:
397:
3451:
1678:(horsetail) which formed thickets in shallow water and shorelines.
3511:
2024:
Two species of gymnosperm seeds, possibly from the same plants as
1249:
tooth whorls have been reported from the Rattlesnake Canyon area.
402:
264:
216:
3042:"The Appendicular Skeleton of the Permian Embolomerous Amphibian
2501:, Austin: The University of Texas and Bureau of Economic Geology
1623:
1479:
Geraldine, Briar Creek, Coprolite, Loftin, Rattlesnake Canyon 2
1092:
Geraldine, Briar Creek, Coprolite, Loftin, Rattlesnake Canyon 2
1029:
Geraldine, Briar Creek, Coprolite, Loftin, Rattlesnake Canyon 2
969:
Geraldine, Briar Creek, Coprolite, Loftin, Rattlesnake Canyon 2
1910:, among the most common trees in Permian swamp environments.
3205:
Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen
2536:"Global Permian tetrapod biostratigraphy and biochronology"
2840:
Agliano, Amin; Sander, P. Martin; Wintrich, Tanja (2021).
2660:
New Mexico Museum of Natural History and Science Bulletin
1550:(vicinity of) Geraldine, Coprolite, Rattlesnake Canyon 2
496:
layer was not present, though the high concentration of
3579:
3519:
2132:. Very common in the Geraldine and Coprolite bonebeds.
1628:
1251:
926:
807:
502:
482:". If this identification is correct, it is the oldest
3024:
The University of Kansas Paleontological Contributions
3018:
Fox, Richard C.; Bowman, Merton C. (31 January 1966).
2716:
Hirsch, Karl F. (1979). "The Oldest Vertebrate Egg?".
585:
A medium-sized sphenacodontid of uncertain validity.
279:, it is one of several formations renowned for dense
1712:. Abundant in the Geraldine and Coprolite bonebeds.
3474:"Fossilworks: Gateway to the Paleobiology Database"
3472:Various Contributors to the Paleobiology Database.
3199:Milner, Andrew R.; Schoch, Rainer R. (2013-10-01).
1626:, which are rarely found in Permian plant fossils.
245:
240:
222:
204:
199:
185:
175:
170:
162:
152:
142:
132:
122:
21:
3114:Bourget, Hélène; Anderson, Jason S. (2011-02-10).
2917:Shelton, Christen D.; Sander, Paul Martin (2017).
2191:List of fossiliferous stratigraphic units in Texas
853:An araeoscelidian initially named as a new genus,
3409:Palaeogeography, Palaeoclimatology, Palaeoecology
2457:Palaeogeography, Palaeoclimatology, Palaeoecology
2367:Palaeogeography, Palaeoclimatology, Palaeoecology
1482:Very common xenacanth shark teeth and coprolites
2748:Hook, Robert W.; Hotton, Nicholas (1991-03-28).
2540:Geological Society, London, Special Publications
708:A large edaphosaurid known from rare fragments.
3400:Labandeira, Conrad C.; Allen, Emily G. (2007).
489:Later investigations concluded that a distinct
1220:(vicinity of) Geraldine, Rattlesnake Canyon 2
3599:
3539:
3316:Journal of the Washington Academy of Sciences
3160:Schoch, Rainer R.; Sues, Hans-Dieter (2013).
3053:Contributions from the Museum of Paleontology
2959:Bulletin of the Museum of Comparative Zoology
8:
1134:, a type of small terrestrial temnospondyl.
330:counties, extending as far northeast as the
2985:Bulletin de la Société Géologique de France
2955:"The Permian reptile Araeoscelis restudied"
3606:
3592:
3546:
3532:
3040:Romer, Alfred Sherwood (11 January 1957).
18:
16:Geologic formation in Texas, United States
2857:
2677:Romer, A. S.; Price, L. I. (1939-11-01).
2493:Hentz, Tucker F.; Brown, L.F. Jr (1987),
668:Coprolite, Loftin, Rattlesnake Canyon 2?
1881:Foliage of a medullosalean "seed fern".
1866:Foliage of a medullosalean "seed fern".
1851:Foliage of a medullosalean "seed fern".
1775:Foliage of a medullosalean "seed fern".
1631:
1254:
1196:, a type of small aquatic temnospondyl.
929:
810:
600:Coprolite, Loftin, Rattlesnake Canyon 2
505:
3395:
3393:
2207:
3391:
3389:
3387:
3385:
3383:
3381:
3379:
3377:
3375:
3373:
3309:
3307:
3194:
3192:
3190:
3155:
3153:
3151:
3149:
3035:
3033:
2948:
2946:
2944:
2912:
2910:
2883:
2881:
2879:
2877:
2835:
2833:
2831:
2649:
2647:
2645:
2643:
2641:
2639:
2637:
2635:
2633:
2631:
2446:
2444:
2442:
2440:
2438:
2436:
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2426:
2424:
2422:
2420:
2418:
2416:
2414:
2412:
2410:
2408:
2356:
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2350:
2348:
2346:
2344:
2342:
2340:
2338:
2336:
2334:
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2328:
2326:
2324:
2322:
2320:
2318:
2316:
2314:
2312:
2310:
2308:
2306:
2304:
2302:
2300:
2298:
2296:
2294:
2292:
2290:
2288:
1708:", previously considered a species of
3109:
3107:
3105:
3070:
3068:
3066:
2791:
2789:
2787:
2785:
2783:
2743:
2741:
2739:
2629:
2627:
2625:
2623:
2621:
2619:
2617:
2615:
2613:
2611:
2582:International Journal of Coal Geology
2406:
2404:
2402:
2400:
2398:
2396:
2394:
2392:
2390:
2388:
2286:
2284:
2282:
2280:
2278:
2276:
2274:
2272:
2270:
2268:
2241:
2239:
2237:
2235:
2233:
2231:
881:Geraldine, Briar Creek, Godwin Creek
473:An egg-like object was discovered by
7:
3557:
3555:
3493:
3491:
3440:Geological Survey Professional Paper
2510:
2508:
2488:
2486:
2252:28 : Review of the Pelycosauria
2229:
2227:
2225:
2223:
2221:
2219:
2217:
2215:
2213:
2211:
756:(vicinity of) Geraldine, Briar Creek
299:. The Nocona Formation overlies the
2246:Romer, A. S.; Price, L. W. (1940),
2002:. Common in the Coprolite Bonebed.
454:Uncertain or tentative taxa are in
283:of terrestrial vertebrate fossils.
3120:Journal of Vertebrate Paleontology
2754:Journal of Vertebrate Paleontology
2102:Foliage of a fern or "seed fern".
14:
3349:, Geological Society of America,
2976:Falconnet, Jocelyn (2012-12-01).
414:Taxon falsely reported as present
3559:
3495:
2175:
2161:
2147:
1823:Geraldine, Rattlesnake Canyon 2
1606:
1603:Xenacanth shark spine fragments
1465:
1359:
1300:
1226:
1199:
1137:
1106:
1042:
982:
894:
860:
793:
764:
742:
711:
681:
641:
610:
559:
227:
209:
1531:known from a partial skeleton.
790:A medium-sized sphenacodontid.
607:with a tall neural spine sail.
419:Dubious taxon or junior synonym
3630:Texas geologic formation stubs
3503:This article about a specific
2766:10.1080/02724634.1991.10011374
1633:Plants of the Nocona Formation
1099:, a type of large semiaquatic
1:
3640:Permian paleontological sites
2552:10.1144/GSL.SP.2006.265.01.04
1503:A single palaeoniscoid tooth
1347:Geraldine, Coprolite, Loftin
3578:. You can help Knowledge by
3567:This article related to the
3518:. You can help Knowledge by
3421:10.1016/j.palaeo.2006.10.015
3290:10.1080/08912963.2013.838953
3132:10.1080/02724634.2011.539652
2495:"Wichita Falls-Lawton sheet"
2469:10.1016/0031-0182(89)90153-3
2379:10.1016/0031-0182(87)90051-4
2248:"Review of the Pelycosauria"
1256:Fish of the Nocona Formation
914:Rare captorhinid vertebrae.
3217:10.1127/0077-7749/2013/0360
2997:10.2113/gssgfbull.183.6.495
2953:Vaughn, Peter Paul (1955).
2683:American Journal of Science
2679:"The oldest vertebrate egg"
671:A medium-sized herbivorous
381:
361:, and (to a lesser extent)
3656:
3554:
3490:
3434:Mamay, Sergius H. (1968).
3181:10.1016/j.crpv.2013.04.002
3096:10.1016/j.crpv.2015.06.005
2935:10.1016/j.crpv.2017.02.002
2594:10.1016/j.coal.2013.07.009
2534:Lucas, Spencer G. (2006).
2451:Martin Sander, P. (1989).
2361:Sander, P. Martin (1987).
297:Coleman Junction Formation
3238:Johnson, Gary D. (2003).
2814:10.1017/S175569101300025X
2654:Johnson, Gary D. (2013).
1998:, previously referred to
1902:
1887:
1835:
1740:
1464:
1446:
719:
567:
486:egg in the fossil record.
388:
384:
26:
3625:Permian geology of Texas
3259:10.1002/mmng.20030060106
386:
2718:Journal of Paleontology
2499:Geologic atlas of Texas
934:of the Nocona Formation
815:of the Nocona Formation
624:Geraldine, Briar Creek,
510:of the Nocona Formation
249:Hentz & Brown, 1987
3169:Comptes Rendus Palevol
3084:Comptes Rendus Palevol
2923:Comptes Rendus Palevol
2888:Modesto, S.P. (1995).
2695:10.2475/ajs.237.11.826
1462:Xenacanth shark teeth
1297:fin spines and scales
462:taxa are discredited.
350:Edaphosaurus boanerges
3355:10.1130/2006.2399(11)
3347:Wetlands through Time
2846:The Anatomical Record
2196:Paleontology in Texas
2155:Earth sciences portal
2121:Geraldine, Coprolite
1991:Geraldine, Coprolite
1934:Geraldine, Coprolite
1874:O. cf. osmundaeformis
1794:Geraldine, Coprolite
1731:Geraldine, Coprolite
1697:Geraldine, Coprolite
1668:Geraldine, Coprolite
1575:Rattlesnake Canyon 2
627:Rattlesnake Canyon 2
345:Alfred Sherwood Romer
301:Archer City Formation
267:, dating back to the
157:Archer City Formation
2124:Foliage of an early
2054:Bark and stems of a
1127:"east of Henrietta"
354:Archeria crassidisca
261:geological formation
2183:Paleontology portal
2080:Foliage of a fern.
1829:wood and charcoal.
1671:Foliage of a large
1321:Rattlesnake Canyon
732:Rattlesnake Canyon
358:Eryops megacephalus
28:Stratigraphic range
3278:Historical Biology
1965:Geraldine, Loftin
1522:Rattlesnake Canyon
1518:P. tricessimalaris
761:An ophiacodontid.
552:with a rather low
409:Reclassified taxon
364:Dimetrodon natalis
305:Petrolia Formation
303:and underlies the
275:). As part of the
147:Petrolia Formation
3587:
3586:
3527:
3526:
3364:978-0-8137-2399-0
2138:
2137:
1614:
1613:
1234:
1233:
920:
919:
801:
800:
554:neural spine sail
466:
465:
457:
445:
444:
441:
434:
427:
420:
415:
410:
405:
293:Admiral Formation
253:
252:
3647:
3608:
3601:
3594:
3563:
3556:
3548:
3541:
3534:
3499:
3492:
3484:
3482:
3480:
3464:
3463:
3431:
3425:
3424:
3415:(3–4): 197–219.
3406:
3397:
3368:
3367:
3338:
3332:
3331:
3311:
3302:
3301:
3269:
3263:
3262:
3244:
3235:
3229:
3228:
3196:
3185:
3184:
3175:(7–8): 437–445.
3166:
3157:
3144:
3143:
3111:
3100:
3099:
3090:(1–2): 103–114.
3081:
3072:
3061:
3060:
3050:
3037:
3028:
3027:
3015:
3009:
3008:
2982:
2973:
2967:
2966:
2950:
2939:
2938:
2914:
2905:
2904:
2894:
2885:
2872:
2871:
2861:
2859:10.1002/ar.24468
2837:
2826:
2825:
2808:(3–4): 217–236.
2793:
2778:
2777:
2745:
2734:
2733:
2724:(5): 1068–1084.
2713:
2707:
2706:
2674:
2668:
2667:
2651:
2606:
2605:
2579:
2570:
2564:
2563:
2531:
2525:
2524:
2512:
2503:
2502:
2490:
2481:
2480:
2448:
2383:
2382:
2358:
2263:
2262:
2260:10.1130/spe28-p1
2243:
2185:
2180:
2179:
2178:
2171:
2166:
2165:
2164:
2157:
2152:
2151:
2150:
2095:S. cf. macilenta
2073:S. oblongifolium
1930:P. hemitelioides
1859:O. cf. lingulata
1749:C. cf. pteridium
1629:
1610:
1469:
1363:
1304:
1252:
1230:
1203:
1141:
1110:
1046:
1025:D. sideropelicus
986:
927:
898:
864:
808:
797:
768:
746:
715:
685:
645:
614:
563:
503:
455:
437:
430:
423:
418:
413:
408:
401:
398:
382:
257:Nocona Formation
233:
231:
230:
215:
213:
212:
118:
22:Nocona Formation
19:
3655:
3654:
3650:
3649:
3648:
3646:
3645:
3644:
3615:
3614:
3613:
3612:
3553:
3552:
3488:
3478:
3476:
3471:
3468:
3467:
3433:
3432:
3428:
3404:
3399:
3398:
3371:
3365:
3340:
3339:
3335:
3322:(12): 402–409.
3313:
3312:
3305:
3271:
3270:
3266:
3242:
3237:
3236:
3232:
3198:
3197:
3188:
3164:
3159:
3158:
3147:
3113:
3112:
3103:
3079:
3074:
3073:
3064:
3048:
3039:
3038:
3031:
3017:
3016:
3012:
2980:
2975:
2974:
2970:
2952:
2951:
2942:
2916:
2915:
2908:
2892:
2887:
2886:
2875:
2839:
2838:
2829:
2795:
2794:
2781:
2747:
2746:
2737:
2715:
2714:
2710:
2689:(11): 826–829.
2676:
2675:
2671:
2653:
2652:
2609:
2577:
2572:
2571:
2567:
2533:
2532:
2528:
2514:
2513:
2506:
2492:
2491:
2484:
2450:
2449:
2386:
2360:
2359:
2266:
2245:
2244:
2209:
2204:
2181:
2176:
2174:
2167:
2162:
2160:
2153:
2148:
2146:
2143:
1693:A. cf. conferta
1664:A. cf. stellata
1619:
1455:O. platypternus
1337:Ectosteorhachis
1317:B. luedersensis
1239:
1088:E. megacephalus
925:
806:
775:Secodontosaurus
475:Llewellyn Price
471:
453:
396:
380:
341:
289:
228:
226:
210:
208:
117:
116:
115:
114:
109:
104:
99:
94:
89:
84:
79:
74:
69:
64:
59:
54:
48:
35:
17:
12:
11:
5:
3653:
3651:
3643:
3642:
3637:
3632:
3627:
3617:
3616:
3611:
3610:
3603:
3596:
3588:
3585:
3584:
3564:
3551:
3550:
3543:
3536:
3528:
3525:
3524:
3500:
3486:
3485:
3466:
3465:
3452:10.3133/pp593i
3426:
3369:
3363:
3333:
3303:
3284:(6): 710–727.
3264:
3253:(1): 125–146.
3230:
3186:
3145:
3101:
3062:
3029:
3010:
2991:(6): 495–508.
2968:
2940:
2929:(4): 397–424.
2906:
2873:
2852:(3): 570–583.
2827:
2779:
2735:
2708:
2669:
2607:
2565:
2526:
2504:
2482:
2384:
2264:
2206:
2205:
2203:
2200:
2199:
2198:
2193:
2187:
2186:
2172:
2158:
2142:
2139:
2136:
2135:
2133:
2122:
2119:
2114:
2106:
2105:
2103:
2100:
2097:
2092:
2084:
2083:
2081:
2078:
2075:
2070:
2062:
2061:
2059:
2052:
2049:
2044:
2036:
2035:
2033:
2022:
2019:
2014:
2006:
2005:
2003:
1992:
1989:
1984:
1976:
1975:
1973:
1966:
1963:
1958:
1950:
1949:
1947:
1944:
1938:
1937:
1935:
1932:
1926:
1925:
1923:
1920:
1918:P. candolleana
1914:
1913:
1911:
1901:
1898:
1896:P. arborescens
1893:
1885:
1884:
1882:
1879:
1876:
1870:
1869:
1867:
1864:
1861:
1855:
1854:
1852:
1849:
1846:
1841:
1833:
1832:
1830:
1824:
1821:
1816:
1808:
1807:
1805:
1795:
1792:
1790:C. principalis
1787:
1779:
1778:
1776:
1773:
1770:
1768:C. virginianum
1764:
1763:
1761:
1754:
1751:
1746:
1743:Callipteridium
1738:
1737:
1735:
1732:
1729:
1724:
1716:
1715:
1713:
1698:
1695:
1690:
1682:
1681:
1679:
1669:
1666:
1661:
1653:
1652:
1649:
1646:
1643:
1640:
1636:
1635:
1618:
1615:
1612:
1611:
1604:
1601:
1598:
1593:
1585:
1584:
1582:
1576:
1573:
1568:
1560:
1559:
1557:
1551:
1548:
1543:
1535:
1534:
1532:
1525:
1520:
1515:
1507:
1506:
1504:
1501:
1498:
1493:
1484:
1483:
1480:
1477:
1471:
1470:
1463:
1460:
1457:
1452:
1444:
1443:
1441:
1434:
1431:
1426:
1417:
1416:
1414:
1407:
1404:
1399:
1391:
1390:
1388:
1381:
1378:
1373:
1365:
1364:
1357:
1355:tetrapodomorph
1348:
1345:
1340:
1332:
1331:
1329:
1322:
1319:
1314:
1306:
1305:
1298:
1292:
1289:
1284:
1276:
1275:
1272:
1269:
1266:
1263:
1259:
1258:
1243:palaeoniscoids
1241:Indeterminate
1238:
1235:
1232:
1231:
1224:
1221:
1218:
1213:
1205:
1204:
1197:
1191:trimerorhachid
1187:
1184:
1179:
1176:Trimerorhachis
1171:
1170:
1168:
1159:
1156:
1151:
1143:
1142:
1135:
1128:
1125:
1120:
1117:Rubeostratilia
1112:
1111:
1104:
1093:
1090:
1085:
1077:
1076:
1074:
1064:
1061:
1056:
1048:
1047:
1040:
1030:
1027:
1022:
1014:
1013:
1011:
1004:
1001:
996:
993:Cardiocephalus
988:
987:
980:
970:
967:
965:A. crassidisca
962:
954:
953:
950:
947:
944:
941:
937:
936:
924:
921:
918:
917:
915:
912:
909:
907:
900:
899:
892:
882:
879:
874:
866:
865:
858:
851:
848:
843:
835:
834:
831:
828:
825:
822:
818:
817:
805:
802:
799:
798:
791:
788:
783:
778:
770:
769:
762:
759:
754:
748:
747:
740:
733:
730:
728:O. retroversus
725:
717:
716:
709:
706:
700:
695:
687:
686:
679:
669:
660:
655:
647:
646:
639:
628:
622:
616:
615:
608:
605:sphenacodontid
601:
595:
589:
588:
586:
583:
578:
573:
565:
564:
557:
550:sphenacodontid
546:
545:Lake Kickapoo
543:
538:
530:
529:
526:
523:
520:
517:
513:
512:
470:
467:
464:
463:
448:
446:
443:
442:
435:
428:
421:
416:
411:
406:
390:
389:
387:
385:
379:
376:
340:
337:
310:Reddish-brown
288:
285:
277:Texas red beds
251:
250:
247:
243:
242:
238:
237:
224:
220:
219:
206:
202:
201:
197:
196:
187:
183:
182:
177:
173:
172:
168:
167:
164:
160:
159:
154:
150:
149:
144:
140:
139:
134:
130:
129:
124:
120:
119:
112:
111:
110:
105:
100:
95:
90:
85:
80:
75:
70:
65:
60:
55:
50:
49:
24:
23:
15:
13:
10:
9:
6:
4:
3:
2:
3652:
3641:
3638:
3636:
3635:Permian stubs
3633:
3631:
3628:
3626:
3623:
3622:
3620:
3609:
3604:
3602:
3597:
3595:
3590:
3589:
3583:
3581:
3577:
3573:
3570:
3565:
3562:
3558:
3549:
3544:
3542:
3537:
3535:
3530:
3529:
3523:
3521:
3517:
3513:
3509:
3506:
3505:stratigraphic
3501:
3498:
3494:
3489:
3475:
3470:
3469:
3461:
3457:
3453:
3449:
3446:(1): I1–I15.
3445:
3441:
3437:
3430:
3427:
3422:
3418:
3414:
3410:
3403:
3396:
3394:
3392:
3390:
3388:
3386:
3384:
3382:
3380:
3378:
3376:
3374:
3370:
3366:
3360:
3356:
3352:
3348:
3344:
3337:
3334:
3329:
3325:
3321:
3317:
3310:
3308:
3304:
3299:
3295:
3291:
3287:
3283:
3279:
3275:
3268:
3265:
3260:
3256:
3252:
3248:
3241:
3234:
3231:
3226:
3222:
3218:
3214:
3211:(1): 91–128.
3210:
3206:
3202:
3195:
3193:
3191:
3187:
3182:
3178:
3174:
3170:
3163:
3156:
3154:
3152:
3150:
3146:
3141:
3137:
3133:
3129:
3125:
3121:
3117:
3110:
3108:
3106:
3102:
3097:
3093:
3089:
3085:
3078:
3071:
3069:
3067:
3063:
3059:(5): 105–159.
3058:
3054:
3047:
3045:
3036:
3034:
3030:
3025:
3021:
3014:
3011:
3006:
3002:
2998:
2994:
2990:
2986:
2979:
2972:
2969:
2965:(5): 303–467.
2964:
2960:
2956:
2949:
2947:
2945:
2941:
2936:
2932:
2928:
2924:
2920:
2913:
2911:
2907:
2903:(1): 213–239.
2902:
2898:
2897:Palaeontology
2891:
2884:
2882:
2880:
2878:
2874:
2869:
2865:
2860:
2855:
2851:
2847:
2843:
2836:
2834:
2832:
2828:
2823:
2819:
2815:
2811:
2807:
2803:
2799:
2792:
2790:
2788:
2786:
2784:
2780:
2775:
2771:
2767:
2763:
2759:
2755:
2751:
2744:
2742:
2740:
2736:
2731:
2727:
2723:
2719:
2712:
2709:
2704:
2700:
2696:
2692:
2688:
2684:
2680:
2673:
2670:
2665:
2661:
2657:
2650:
2648:
2646:
2644:
2642:
2640:
2638:
2636:
2634:
2632:
2630:
2628:
2626:
2624:
2622:
2620:
2618:
2616:
2614:
2612:
2608:
2603:
2599:
2595:
2591:
2587:
2583:
2576:
2569:
2566:
2561:
2557:
2553:
2549:
2545:
2541:
2537:
2530:
2527:
2522:
2518:
2511:
2509:
2505:
2500:
2496:
2489:
2487:
2483:
2478:
2474:
2470:
2466:
2462:
2458:
2454:
2447:
2445:
2443:
2441:
2439:
2437:
2435:
2433:
2431:
2429:
2427:
2425:
2423:
2421:
2419:
2417:
2415:
2413:
2411:
2409:
2407:
2405:
2403:
2401:
2399:
2397:
2395:
2393:
2391:
2389:
2385:
2380:
2376:
2372:
2368:
2364:
2357:
2355:
2353:
2351:
2349:
2347:
2345:
2343:
2341:
2339:
2337:
2335:
2333:
2331:
2329:
2327:
2325:
2323:
2321:
2319:
2317:
2315:
2313:
2311:
2309:
2307:
2305:
2303:
2301:
2299:
2297:
2295:
2293:
2291:
2289:
2287:
2285:
2283:
2281:
2279:
2277:
2275:
2273:
2271:
2269:
2265:
2261:
2257:
2253:
2249:
2242:
2240:
2238:
2236:
2234:
2232:
2230:
2228:
2226:
2224:
2222:
2220:
2218:
2216:
2214:
2212:
2208:
2201:
2197:
2194:
2192:
2189:
2188:
2184:
2173:
2170:
2159:
2156:
2145:
2140:
2134:
2131:
2130:Schizodendron
2127:
2123:
2120:
2118:
2117:W. piniformis
2115:
2113:
2112:
2108:
2107:
2104:
2101:
2098:
2096:
2093:
2091:
2090:
2086:
2085:
2082:
2079:
2076:
2074:
2071:
2069:
2068:
2067:Sphenophyllum
2064:
2063:
2060:
2057:
2053:
2050:
2048:
2045:
2043:
2042:
2038:
2037:
2034:
2031:
2027:
2023:
2020:
2018:
2015:
2013:
2012:
2008:
2007:
2004:
2001:
1997:
1994:Foliage of a
1993:
1990:
1988:
1985:
1983:
1982:
1978:
1977:
1974:
1971:
1967:
1964:
1962:
1959:
1957:
1956:
1952:
1951:
1948:
1945:
1943:
1940:
1939:
1936:
1933:
1931:
1928:
1927:
1924:
1921:
1919:
1916:
1915:
1912:
1909:
1906:
1903:Foliage of a
1899:
1897:
1894:
1892:
1891:
1886:
1883:
1880:
1877:
1875:
1872:
1871:
1868:
1865:
1862:
1860:
1857:
1856:
1853:
1850:
1847:
1845:
1842:
1840:
1839:
1834:
1831:
1828:
1825:
1822:
1820:
1817:
1815:
1814:
1810:
1809:
1806:
1803:
1800:
1797:Foliage of a
1796:
1793:
1791:
1788:
1786:
1785:
1781:
1780:
1777:
1774:
1771:
1769:
1766:
1765:
1762:
1760:"seed fern".
1759:
1758:medullosalean
1756:Foliage of a
1755:
1752:
1750:
1747:
1745:
1744:
1739:
1736:
1733:
1730:
1728:
1725:
1723:
1722:
1718:
1717:
1714:
1711:
1707:
1703:
1700:Foliage of a
1699:
1696:
1694:
1691:
1689:
1688:
1684:
1683:
1680:
1677:
1674:
1670:
1667:
1665:
1662:
1660:
1659:
1655:
1654:
1650:
1647:
1644:
1641:
1638:
1637:
1634:
1630:
1627:
1625:
1616:
1609:
1605:
1602:
1599:
1597:
1594:
1592:
1591:
1587:
1586:
1583:
1581:
1577:
1574:
1572:
1571:S. pustulosus
1569:
1567:
1566:
1562:
1561:
1558:
1555:
1552:
1549:
1547:
1544:
1542:
1541:
1537:
1536:
1533:
1530:
1526:
1524:
1521:
1519:
1516:
1514:
1513:
1509:
1508:
1505:
1502:
1499:
1497:
1494:
1492:
1490:
1486:
1485:
1481:
1478:
1476:
1473:
1472:
1468:
1461:
1458:
1456:
1453:
1451:
1450:
1445:
1442:
1439:
1435:
1432:
1430:
1427:
1425:
1423:
1419:
1418:
1415:
1412:
1408:
1405:
1403:
1400:
1398:
1397:
1393:
1392:
1389:
1386:
1382:
1379:
1377:
1374:
1372:
1371:
1367:
1366:
1362:
1358:
1356:
1353:
1352:megalichthyid
1349:
1346:
1344:
1341:
1339:
1338:
1334:
1333:
1330:
1327:
1323:
1320:
1318:
1315:
1313:
1312:
1311:Barbclabornia
1308:
1307:
1303:
1299:
1296:
1293:
1290:
1288:
1285:
1283:
1282:
1278:
1277:
1273:
1270:
1267:
1264:
1261:
1260:
1257:
1253:
1250:
1248:
1247:Iniopterygian
1244:
1236:
1229:
1225:
1222:
1219:
1217:
1214:
1212:
1211:
1207:
1206:
1202:
1198:
1195:
1192:
1188:
1185:
1183:
1180:
1178:
1177:
1173:
1172:
1169:
1166:
1165:
1160:
1158:Halsell Hill
1157:
1155:
1152:
1150:
1149:
1145:
1144:
1140:
1136:
1133:
1132:amphibamiform
1129:
1126:
1124:
1121:
1119:
1118:
1114:
1113:
1109:
1105:
1102:
1098:
1094:
1091:
1089:
1086:
1084:
1083:
1079:
1078:
1075:
1072:
1069:
1065:
1062:
1060:
1057:
1055:
1054:
1050:
1049:
1045:
1041:
1038:
1037:diadectomorph
1035:
1031:
1028:
1026:
1023:
1021:
1020:
1016:
1015:
1012:
1009:
1005:
1002:
1000:
997:
995:
994:
990:
989:
985:
981:
978:
975:
971:
968:
966:
963:
961:
960:
956:
955:
951:
948:
945:
942:
939:
938:
935:
933:
928:
922:
916:
913:
910:
908:
905:
904:Captorhinidae
902:
901:
897:
893:
890:
887:
883:
880:
878:
875:
873:
872:
868:
867:
863:
859:
856:
852:
850:Godwin Creek
849:
847:
844:
842:
841:
837:
836:
832:
829:
826:
823:
820:
819:
816:
814:
809:
803:
796:
792:
789:
787:
784:
782:
781:S. obtusidens
779:
777:
776:
772:
771:
767:
763:
760:
758:
755:
753:
750:
749:
745:
741:
738:
737:ophiacodontid
734:
731:
729:
726:
724:
723:
718:
714:
710:
707:
704:
701:
699:
696:
694:
693:
689:
688:
684:
680:
677:
674:
670:
667:
664:
661:
659:
656:
654:
653:
649:
648:
644:
640:
637:
633:
629:
626:
623:
621:
618:
617:
613:
609:
606:
602:
599:
597:Briar Creek?,
596:
594:
591:
590:
587:
584:
582:
579:
577:
574:
572:
571:
566:
562:
558:
555:
551:
547:
544:
542:
539:
537:
536:
532:
531:
527:
524:
521:
518:
515:
514:
511:
509:
504:
501:
499:
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488:
485:
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476:
468:
461:
452:
449:
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440:
436:
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429:
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383:
377:
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368:
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346:
338:
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329:
325:
321:
317:
313:
308:
306:
302:
298:
294:
286:
284:
282:
278:
274:
273:Early Permian
270:
266:
262:
258:
248:
244:
239:
236:
235:United States
225:
221:
218:
207:
203:
198:
195:
191:
188:
184:
181:
178:
174:
169:
165:
161:
158:
155:
151:
148:
145:
141:
138:
137:Wichita Group
135:
131:
128:
125:
121:
108:
103:
98:
93:
88:
83:
78:
73:
68:
63:
58:
53:
46:
42:
38:
33:
32:Early Permian
29:
25:
20:
3580:expanding it
3566:
3520:expanding it
3502:
3487:
3477:. Retrieved
3443:
3439:
3429:
3412:
3408:
3346:
3336:
3319:
3315:
3281:
3277:
3267:
3250:
3246:
3233:
3208:
3204:
3172:
3168:
3126:(1): 32–49.
3123:
3119:
3087:
3083:
3056:
3052:
3043:
3023:
3013:
2988:
2984:
2971:
2962:
2958:
2926:
2922:
2900:
2896:
2849:
2845:
2805:
2801:
2760:(1): 37–44.
2757:
2753:
2721:
2717:
2711:
2686:
2682:
2672:
2663:
2659:
2585:
2581:
2568:
2546:(1): 65–93.
2543:
2539:
2529:
2520:
2516:
2498:
2460:
2456:
2370:
2366:
2251:
2169:Texas portal
2129:
2116:
2109:
2094:
2089:Sphenopteris
2087:
2072:
2065:
2046:
2039:
2029:
2025:
2016:
2009:
1999:
1986:
1979:
1969:
1960:
1953:
1941:
1929:
1917:
1905:marattialean
1895:
1888:
1873:
1858:
1843:
1838:Odontopteris
1836:
1818:
1811:
1799:cordaitalean
1789:
1782:
1767:
1748:
1741:
1727:C. undulatus
1726:
1719:
1709:
1692:
1685:
1673:calamitacean
1663:
1656:
1632:
1620:
1595:
1588:
1570:
1563:
1546:S. periprion
1545:
1538:
1529:palaeoniscid
1523:
1517:
1512:Progyrolepis
1510:
1495:
1487:
1474:
1454:
1449:Orthacanthus
1447:
1428:
1420:
1401:
1394:
1385:holocephalan
1375:
1368:
1342:
1335:
1328:shark teeth
1316:
1309:
1286:
1279:
1255:
1240:
1215:
1208:
1181:
1174:
1162:
1153:
1146:
1122:
1115:
1101:temnospondyl
1087:
1080:
1058:
1051:
1024:
1017:
998:
991:
964:
957:
930:
876:
869:
854:
845:
838:
811:
786:
780:
773:
757:
752:O. uniformis
751:
727:
720:
703:
702:Briar Creek,
697:
690:
676:
673:edaphosaurid
666:
665:Briar Creek,
663:
658:E. boanerges
657:
652:Edaphosaurus
650:
636:histological
631:
625:
619:
598:
592:
581:
576:D. booneorum
575:
568:
540:
535:Ctenorhachis
533:
506:
487:
472:
459:
450:
393:
369:
362:
348:
342:
309:
290:
256:
254:
241:Type section
3479:17 December
3026:(11): 1–79.
2588:: 177–186.
2373:: 221–236.
1996:cycadophyte
1987:R. taeniata
1981:Russellites
1710:Callipteris
1676:sphenophyte
1645:Localities
1590:Xenacanthus
1565:Spermatodus
1475:O. texensis
1295:Acanthodian
1268:Localities
1216:Z. serratus
1182:T. insignis
1154:S. neglecta
1123:R. texensis
1068:diplocaulid
1053:Diplocaulus
946:Localities
889:parareptile
877:B. striatus
855:Ophiodeirus
840:Araeoscelis
827:Localities
785:Briar Creek
705:Coprolite?
692:Lupeosaurus
632:D. limbatus
593:D. limbatus
580:Briar Creek
541:C. jacksoni
522:Localities
460:crossed out
439:Morphotaxon
269:Wolfcampian
37:Wolfcampian
3619:Categories
2666:: 161–167.
2202:References
2099:Geraldine
2077:Geraldine
2051:Geraldine
2047:S. brardii
2041:Sigillaria
2021:Geraldine
2011:Samaropsis
1970:Pecopteris
1946:Geraldine
1922:Geraldine
1900:Geraldine
1890:Pecopteris
1878:Geraldine
1863:Coprolite
1848:Geraldine
1844:O. genuina
1802:gymnosperm
1772:Geraldine
1753:Geraldine
1702:peltasperm
1600:Geraldine
1580:coelacanth
1500:Geraldine
1489:Platysomus
1459:Geraldine
1438:petalodont
1433:Geraldine
1406:Coprolite
1380:Geraldine
1343:E. nitidus
1291:Geraldine
1281:Acanthodes
1164:Conjunctio
1071:nectridean
1003:Geraldine
977:embolomere
932:Amphibians
923:Amphibians
886:bolosaurid
871:Bolosaurus
722:Ophiacodon
662:Geraldine,
638:analyses.
620:D. natalis
570:Dimetrodon
498:phosphorus
491:calcareous
480:pelycosaur
456:small text
425:Ichnotaxon
378:Paleobiota
372:coprolites
45:Artinskian
3508:formation
3460:2330-7102
3298:0891-2963
3225:0077-7749
3140:0272-4634
3005:1777-5817
2868:1932-8486
2822:1755-6910
2774:0272-4634
2703:0002-9599
2602:0166-5162
2560:0305-8719
2477:0031-0182
2056:lycophyte
2030:Cordaites
1955:Psaronius
1908:tree fern
1813:Dadoxylon
1784:Cordaites
1721:Calamites
1706:seed fern
1658:Annularia
1540:Sagenodus
1436:A single
1326:xenacanth
1210:Zatrachys
1194:dvinosaur
1148:Scapanops
1034:diadectid
1019:Diadectes
1008:microsaur
974:archeriid
508:Synapsids
469:Synapsids
394:Color key
332:Red River
320:sandstone
316:laminated
194:siltstone
190:sandstone
171:Lithology
163:Thickness
143:Underlies
127:Formation
41:Sakmarian
3328:24531376
3044:Archeria
2463:: 1–21.
2141:See also
1972:leaves.
1942:P. unita
1642:Species
1554:Lungfish
1411:hybodont
1265:Species
1032:A large
972:A large
959:Archeria
943:Species
846:A. casei
824:Species
813:Reptiles
804:Reptiles
603:A large
548:A large
519:Species
484:amniotic
339:Bonebeds
312:mudstone
281:bonebeds
271:series (
246:Named by
200:Location
180:mudstone
153:Overlies
3569:Permian
2730:1304086
2126:conifer
2111:Walchia
2026:Walchia
2017:S. spp.
1827:Conifer
1687:Autunia
1651:Images
1496:P.? sp.
1429:J.? sp.
1422:Janassa
1396:Hybodus
1370:Helodus
1274:Images
1097:eryopid
1063:Loftin
1010:teeth.
952:Images
911:Loftin
906:indet.
833:Images
698:L. kayi
528:Images
432:Ootaxon
287:Geology
223:Country
176:Primary
166:350 ft.
133:Unit of
113:↓
3572:period
3458:
3361:
3326:
3296:
3223:
3138:
3003:
2866:
2820:
2772:
2728:
2701:
2600:
2558:
2475:
2000:Tingia
1961:P. sp.
1819:D. sp.
1648:Notes
1639:Genus
1617:Plants
1596:X. sp.
1556:teeth
1440:tooth
1413:shark
1402:H. sp.
1387:teeth
1376:H. sp.
1287:A. sp.
1271:Notes
1262:Genus
1082:Eryops
1059:D. sp.
999:C. sp.
949:Notes
940:Genus
830:Notes
821:Genus
525:Notes
516:Genus
324:Archer
232:
214:
205:Region
3574:is a
3514:is a
3512:Texas
3405:(PDF)
3324:JSTOR
3243:(PDF)
3165:(PDF)
3080:(PDF)
3049:(PDF)
2981:(PDF)
2893:(PDF)
2726:JSTOR
2578:(PDF)
1624:galls
1383:Rare
1324:Rare
1006:Rare
494:shell
451:Notes
403:Taxon
265:Texas
259:is a
217:Texas
186:Other
3576:stub
3516:stub
3481:2021
3456:ISSN
3359:ISBN
3294:ISSN
3221:ISSN
3136:ISSN
3001:ISSN
2864:ISSN
2818:ISSN
2770:ISSN
2699:ISSN
2598:ISSN
2556:ISSN
2473:ISSN
2028:and
1237:Fish
328:Clay
326:and
255:The
123:Type
52:PreꞒ
3510:in
3448:doi
3444:593
3417:doi
3413:247
3351:doi
3286:doi
3255:doi
3213:doi
3209:270
3177:doi
3128:doi
3092:doi
2993:doi
2989:183
2963:113
2931:doi
2854:doi
2850:304
2810:doi
2806:103
2762:doi
2691:doi
2687:237
2590:doi
2586:119
2548:doi
2544:265
2521:170
2465:doi
2375:doi
2256:doi
1130:An
1095:An
735:An
263:in
3621::
3454:.
3442:.
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3411:.
3407:.
3372:^
3357:,
3345:,
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3088:15
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2927:16
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2032:.
1578:A
1527:A
1409:A
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1189:A
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891:.
884:A
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102:Pg
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43:?–
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107:N
97:K
92:J
87:T
82:P
77:C
72:D
67:S
62:O
57:Ꞓ
39:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.