183:
1111:
1075:
456:
1099:
153:
1087:
990:
165:
355:
814:
1356:
Cifelli, R. Gardner, J.D., Nydam, R.L., and
Brinkman, D.L. 1999. Additions to the vertebrate fauna of the Antlers Formation (Lower Cretaceous), southeastern Oklahoma. Oklahoma Geology Notes 57:124-131.
1362:
Kielan-Jarorowska, Z., and
Cifelli, R.L. 2001. Primitive boreosphenidan mammal (?Deltatheroida) from the Early Cretaceous of Oklahoma. Acta Palaeontologica Polonica 46: 377-391.
1382:
1359:
Nydam, R.L. and R. L. Cifelli. 2002a. Lizards from the Lower
Cretaceous (Aptian-Albian) Antlers and Cloverly formations. Journal of Vertebrate Paleontology. 22:286β298.
1392:
1307:
1387:
1412:
1407:
1397:
748:
Possible indeterminate atoposaurid remains. Possible indeterminate goniopholidid remains. Possible indeterminate pholidosaurid remains.
255:
1432:
1427:
1417:
621:
Possible indeterminate deltatheroidan material. Indeterminate multituberculate remains. Indeterminate tribosphenidan remains.
524:
Possible indeterminate amid remains. Possible indeterminate lepisosteid remains. Possible indeterminate semionotidae remains.
1422:
248:
1402:
1369:, A new sauropod from the Early Cretaceous of Oklahoma. Journal of Vertebrate Paleontology 20:109-114.
1326:
Hill, R.T. (1894). "Geology of parts of Texas, Indian
Territory and Arkansas adjacent to Red River".
110:
1110:
267:
1074:
244:
1079:
1051:
266:. This age range is supported by the presence of two dinosaurs that are also known from the
531:
1098:
455:
686:
589:
395:
203:
1376:
1179:
1115:
994:
966:
932:
713:
278:
188:
67:
24:
818:
789:
659:
359:
331:
1086:
1275:
1153:
1103:
1017:
872:
755:
272:
42:
989:
898:
841:
813:
354:
87:
52:
231:. The stratum is 150 m (490 ft) thick consisting of silty to sandy
562:
297:
236:
135:
92:
36:
1248:
1127:
1091:
491:
232:
224:
220:
158:
125:
82:
77:
62:
57:
47:
460:
429:
290:
Indeterminate frog remains. Possible indeterminate salamander remains.
216:
97:
72:
1216:
628:
263:
259:
28:
1211:
1012:
927:
836:
750:
623:
526:
390:
292:
239:
that is poorly to moderately sorted. The stratum is cemented with
1109:
1097:
1085:
1073:
1010:
Possible indeterminate bird remains are known from the formation.
988:
812:
454:
383:
2000, Kielan-Jarorowska and
Cifelli 2001; Nydam and Cifelli 2002.
353:
228:
170:
240:
258:
of Texas, the
Antlers Formation is estimated to be late
1365:
Wedel, M.J., Cifelli, R.L., and
Sanders, R. K. 2000.
1344:"Table 13.1," in Weishampel, et al. (2004). Page 267.
199:
194:
176:
146:
141:
131:
121:
116:
106:
18:
1328:Bulletin of the Geological Society of America
8:
15:
1383:Lower Cretaceous Series of North America
1308:List of dinosaur-bearing rock formations
1214:
1015:
930:
839:
834:Possible indeterminate scincid remains.
753:
626:
529:
393:
295:
1318:
251:or ferruginous (rich in iron oxides).
7:
14:
247:. In places the sandstone may be
181:
163:
151:
1393:Geologic formations of Arkansas
1388:Cretaceous geology of Oklahoma
254:Based on correlation with the
1:
1413:Natural history of Arkansas
1408:Natural history of Oklahoma
1398:Cretaceous geology of Texas
235:and fine to coarse grained
1449:
1072:
1060:Acrocanthosaurus atokensis
987:
811:
453:
352:
426:
23:
1433:Paleontology in Oklahoma
1428:Paleontology in Arkansas
1418:Natural history of Texas
1219:of the Antlers Formation
1020:of the Antlers Formation
935:of the Antlers Formation
844:of the Antlers Formation
758:of the Antlers Formation
631:of the Antlers Formation
534:of the Antlers Formation
398:of the Antlers Formation
300:of the Antlers Formation
1234:Stratigraphic position
1198:" cervical vertebrae."
1162:Deinonychus antirrhopus
1035:Stratigraphic position
950:Stratigraphic position
881:Atokasaurus metarsiodon
859:Stratigraphic position
773:Stratigraphic position
646:Stratigraphic position
549:Stratigraphic position
413:Stratigraphic position
340:Albanerpeton arthridion
315:Stratigraphic position
1367:Sauroposeidon Proteles
1188:Sauroposeidon proteles
1119:
1107:
1095:
1083:
998:
822:
464:
363:
1423:Paleontology in Texas
1113:
1101:
1089:
1077:
992:
816:
695:Atokatheridium boreni
458:
357:
722:Paracimexomys crossi
375:References: Cifelli
111:Geological formation
25:Stratigraphic range
1120:
1108:
1096:
1084:
999:
907:Ptilotodon wilsoni
823:
465:
387:Cartilaginous fish
364:
268:Cloverly Formation
227:into northeastern
219:which ranges from
204:Robert Thomas Hill
1299:
1298:
1205:
1204:
1003:
1002:
975:Tenontosaurus sp.
921:
920:
827:
826:
736:
735:
614:
613:
571:Gyronchus dumblei
517:
516:
512:Polyacrodontidae
368:
367:
245:calcium carbonate
223:through southern
213:Antlers Formation
209:
208:
19:Antlers Formation
1440:
1345:
1342:
1336:
1335:
1323:
1212:
1080:Acrocanthosaurus
1052:Acrocanthosaurus
1013:
928:
837:
751:
624:
532:Actinopterygians
527:
391:
293:
187:
185:
184:
169:
167:
166:
157:
155:
154:
102:
39:
16:
1448:
1447:
1443:
1442:
1441:
1439:
1438:
1437:
1373:
1372:
1353:
1351:Further reading
1348:
1343:
1339:
1325:
1324:
1320:
1316:
1304:
1210:
1008:
926:
832:
746:
741:
619:
522:
520:Ray-finned fish
500:Lissodus anitae
438:Hybodus butleri
396:Chondrichthyans
389:
373:
288:
182:
180:
164:
162:
152:
150:
101:
100:
95:
90:
85:
80:
75:
70:
65:
60:
55:
50:
45:
34:
33:
31:
12:
11:
5:
1446:
1444:
1436:
1435:
1430:
1425:
1420:
1415:
1410:
1405:
1400:
1395:
1390:
1385:
1375:
1374:
1371:
1370:
1363:
1360:
1357:
1352:
1349:
1347:
1346:
1337:
1317:
1315:
1312:
1311:
1310:
1303:
1300:
1297:
1296:
1294:
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1290:
1288:
1280:
1270:
1269:
1267:
1265:
1263:
1261:
1253:
1242:
1241:
1238:
1235:
1232:
1229:
1226:
1222:
1221:
1209:
1206:
1203:
1202:
1200:
1195:
1193:
1191:
1184:
1174:
1173:
1171:
1169:
1167:
1165:
1158:
1148:
1147:
1145:
1143:
1141:
1139:
1132:
1122:
1121:
1071:
1069:
1067:
1065:
1063:
1056:
1046:
1045:
1042:
1039:
1036:
1033:
1030:
1027:
1023:
1022:
1007:
1004:
1001:
1000:
986:
984:
982:
980:
978:
971:
961:
960:
957:
954:
951:
948:
945:
942:
938:
937:
933:Ornithischians
925:
924:Ornithischians
922:
919:
918:
916:
914:
912:
910:
903:
893:
892:
890:
888:
886:
884:
877:
867:
866:
863:
860:
857:
854:
851:
847:
846:
831:
828:
825:
824:
810:
808:
806:
804:
802:
794:
784:
783:
780:
777:
774:
771:
768:
765:
761:
760:
745:
742:
740:
737:
734:
733:
731:
729:
727:
725:
718:
707:
706:
704:
702:
700:
698:
691:
687:Atokatheridium
681:
680:
678:
676:
674:
672:
664:
654:
653:
650:
647:
644:
641:
638:
634:
633:
618:
615:
612:
611:
609:
607:
605:
603:
599:Palaeobalistum
594:
590:Palaeobalistum
583:
582:
580:
578:
576:
574:
567:
557:
556:
553:
550:
547:
544:
541:
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536:
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507:
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481:
479:
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388:
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372:
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336:
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307:
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302:
287:
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178:
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148:
144:
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139:
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133:
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119:
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108:
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96:
91:
86:
81:
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71:
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61:
56:
51:
46:
41:
40:
21:
20:
13:
10:
9:
6:
4:
3:
2:
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1243:
1239:
1236:
1233:
1230:
1227:
1224:
1223:
1220:
1218:
1213:
1207:
1201:
1199:
1196:
1194:
1192:
1190:
1189:
1185:
1183:
1182:
1181:
1180:Sauroposeidon
1176:
1175:
1172:
1170:
1168:
1166:
1164:
1163:
1159:
1157:
1156:
1155:
1150:
1149:
1146:
1144:
1142:
1140:
1138:
1137:
1133:
1131:
1130:
1129:
1124:
1123:
1118:
1117:
1116:Sauroposeidon
1112:
1106:
1105:
1100:
1094:
1093:
1088:
1082:
1081:
1076:
1070:
1068:
1066:
1064:
1062:
1061:
1057:
1055:
1054:
1053:
1048:
1047:
1043:
1040:
1037:
1034:
1031:
1028:
1025:
1024:
1021:
1019:
1014:
1011:
1005:
997:
996:
995:Tenontosaurus
991:
985:
983:
981:
979:
977:
976:
972:
970:
969:
968:
967:Tenontosaurus
963:
962:
958:
955:
952:
949:
946:
943:
940:
939:
936:
934:
929:
923:
917:
915:
913:
911:
909:
908:
904:
902:
901:
900:
895:
894:
891:
889:
887:
885:
883:
882:
878:
876:
875:
874:
869:
868:
864:
861:
858:
855:
852:
849:
848:
845:
843:
838:
835:
829:
821:
820:
815:
809:
807:
805:
803:
801:
799:
795:
793:
792:
791:
786:
785:
781:
778:
775:
772:
769:
766:
763:
762:
759:
757:
752:
749:
743:
738:
732:
730:
728:
726:
724:
723:
719:
717:
716:
715:
714:Paracimexomys
709:
708:
705:
703:
701:
699:
697:
696:
692:
690:
689:
688:
683:
682:
679:
677:
675:
673:
671:
669:
665:
663:
662:
661:
656:
655:
651:
648:
645:
642:
639:
636:
635:
632:
630:
625:
622:
616:
610:
608:
606:
604:
602:
600:
595:
593:
592:
591:
585:
584:
581:
579:
577:
575:
573:
572:
568:
566:
565:
564:
559:
558:
554:
551:
548:
545:
542:
539:
538:
535:
533:
528:
525:
519:
513:
510:
508:
506:
504:
502:
501:
497:
495:
494:
493:
488:
487:
484:
482:
480:
478:
476:
474:
469:
468:
463:
462:
457:
451:
450:Hybodontidae
448:
446:
444:
442:
440:
439:
435:
433:
432:
431:
425:
421:
418:
415:
412:
409:
406:
403:
402:
399:
397:
392:
386:
384:
382:
378:
370:
362:
361:
356:
350:
348:
346:
344:
342:
341:
337:
335:
334:
333:
328:
327:
323:
320:
317:
314:
311:
308:
305:
304:
301:
299:
294:
291:
285:
283:
281:
280:
279:Tenontosaurus
275:
274:
269:
265:
261:
257:
256:Trinity Group
252:
250:
249:conglomeratic
246:
242:
238:
234:
230:
226:
222:
218:
214:
205:
202:
198:
193:
190:
189:United States
179:
175:
172:
160:
149:
145:
140:
137:
134:
130:
127:
124:
120:
115:
112:
109:
105:
99:
94:
89:
84:
79:
74:
69:
64:
59:
54:
49:
44:
38:
35:120β112
30:
26:
22:
17:
1403:Aptian Stage
1366:
1340:
1331:
1327:
1321:
1283:
1282:
1274:
1273:
1256:
1255:
1247:
1245:
1215:
1197:
1187:
1186:
1178:
1177:
1161:
1160:
1152:
1151:
1136:Astrodon sp.
1135:
1134:
1126:
1125:
1114:
1102:
1090:
1078:
1059:
1058:
1050:
1049:
1018:Saurischians
1016:
1009:
1006:Saurischians
993:
974:
973:
965:
964:
931:
906:
905:
897:
896:
880:
879:
871:
870:
840:
833:
819:Bernissartia
817:
797:
796:
790:Bernissartia
788:
787:
756:Crurotarsans
754:
747:
744:Crurotarsans
721:
720:
712:
710:
694:
693:
685:
684:
668:Astroconodon
667:
666:
660:Astroconodon
658:
657:
627:
620:
598:
596:
588:
586:
570:
569:
561:
560:
530:
523:
511:
499:
498:
490:
489:
472:
470:
459:
449:
437:
436:
428:
427:
394:
380:
379:1999; Wedel
376:
374:
360:Albanerpeton
358:
339:
338:
332:Albanerpeton
330:
329:
296:
289:
277:
271:
253:
212:
210:
195:Type section
1284:Naomichelys
1276:Naomichelys
1154:Deinonychus
1104:Deinonychus
873:Atokasaurus
842:Lepidosaurs
830:Lepidosaurs
798:Bemissartia
273:Deinonychus
1377:Categories
1314:References
1237:Abundance
953:Abundance
899:Ptilotodon
862:Abundance
776:Abundance
649:Abundance
552:Abundance
416:Abundance
318:Abundance
298:Amphibians
286:Amphibians
1231:Location
1038:Material
1032:Location
947:Location
856:Location
770:Location
643:Location
563:Gyronchus
546:Location
410:Location
312:Location
237:sandstone
136:Sandstone
117:Lithology
1302:See also
1257:Glyptops
1249:Glyptops
1228:Species
1128:Astrodon
1092:Astrodon
1029:Species
944:Species
853:Species
767:Species
739:Reptiles
640:Species
543:Species
492:Lissodus
407:Species
309:Species
233:mudstone
225:Oklahoma
221:Arkansas
200:Named by
159:Oklahoma
142:Location
126:Mudstone
1217:Turtles
1208:Turtles
1044:Images
959:Images
782:Images
629:Mammals
617:Mammals
473:Hybodus
461:Hybodus
430:Hybodus
422:Images
324:Images
262:-early
217:stratum
177:Country
122:Primary
1334:: 303.
1240:Notes
1225:Genus
1041:Notes
1026:Genus
956:Notes
941:Genus
865:Notes
850:Genus
779:Notes
764:Genus
652:Notes
637:Genus
555:Notes
540:Genus
419:Notes
404:Genus
381:et al.
377:et al.
321:Notes
306:Genus
264:Albian
260:Aptian
186:
168:
156:
147:Region
29:Aptian
229:Texas
215:is a
171:Texas
132:Other
1286:sp.
1259:sp.
800:sp.
670:sp.
601:sp.
475:sp.
371:Fish
276:and
243:and
241:clay
211:The
107:Type
43:Preκ
1379::
1330:.
282:.
270:,
161:,
93:Pg
37:Ma
27::
1332:5
1246:?
711:?
597:?
587:?
471:?
98:N
88:K
83:J
78:T
73:P
68:C
63:D
58:S
53:O
48:κ
32:~
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