743:
325:
297:
278:
466:
892:
260:
332:
304:
1137:
1207:
Surpless, K. D.; Gulliver, K. D. H. (2018). "Provenance
Analysis of the Ochoco Basin, Central Oregon: A Window Into the Late Cretaceous Paleogeography of the Northern U.S. Cordillera". In Ingersoll, R.V.; Graham, S.A.; Lawton, T.F. (eds.).
1470:
1430:
1183:
296:
324:
1460:
1465:
379:
period. During the Albian much of this formation was submerged beneath shallow seas resulting in the preservation of many marine fossils.
1370:
479:
1227:
500:
described from Oregon (not the first discovered), likely a bloated carcass swept out into the ocean from a coastline in what is now
1490:
1500:
1495:
1209:
1396:
1289:
1505:
1480:
172:
179:
218:
1485:
742:
368:
1332:
1365:
Retallack, Gregory J.; Theodor, Jessica M.; Davis, Edward B.; Hopkins, Samantha S.; Barrett, Paul Z. (2018).
1188:
137:
1475:
388:
845:
465:
364:
117:
127:
141:
1211:
Tectonics, Sedimentary Basins, and
Provenance: A Celebration of the Career of William R. Dickinson
641:
1415:
1383:
1082:
689:
1151:
1032:
959:
1223:
1057:
1007:
253:
1366:
1439:
1375:
1215:
984:
376:
891:
579:
534:
1428:
Gilmore, C.W (1928). "A new pterosaurian reptile from the marine
Cretaceous of Oregon".
821:
458:
387:
and marine fossils have been recovered from the formation. It is intertongued with the
211:
1367:"First Oregon dinosaur (Ornithopoda) from Early Cretaceous (Albian) of Oregon, U.S.A."
1454:
557:
283:
74:
27:
1387:
870:
438:
1443:
1379:
1243:
511:
475:
361:
49:
1219:
753:
715:
358:
94:
59:
35:
233:
220:
194:
181:
1136:
380:
99:
43:
1395:
Fremd, Ted; Retallack, Gregory; Springer, Dale; Scotchmoor, Judy (2005).
795:
658:
497:
384:
156:
89:
84:
69:
64:
54:
1107:
104:
79:
504:. Further discoveries suggest it may have been deposited by a mudflow
735:
372:
265:
31:
1244:"Bedrock geology of the Mitchell Quadrangle, Wheeler County, Oregin"
1340:
1135:
501:
160:
454:
Humerus, two fused dorsal vertebrae, and a partial joint bone
1290:"UO-led team uncovers new pieces of Oregon's dinosaur puzzle"
890:
741:
464:
527:Likely the same animal as the Mitchell ornithopod.
271:
249:
210:
171:
166:
152:
147:
133:
123:
113:
21:
1431:Proceedings of the United States National Museum
1413:Welton, B.J (1972). "Fossil sharks in Oregon".
734:Desmoceras is one of the most common Ammonite
1184:List of pterosaur-bearing stratigraphic units
1169:A type of small crab, also present in Europe
929:Other invertebrates of the Hudspeth Formation
8:
924:
606:
403:
331:
303:
18:
1333:"Condon Collection's Searchable Database"
1471:Lower Cretaceous Series of North America
927:
609:
406:
1199:
738:to be found in the Hudspeth Formation
311:Hudspeth Formation (the United States)
408:Vertebrates of the Hudspeth Formation
7:
1283:
1281:
1288:Strommer, Kristin (July 14, 2021).
611:Ammonites of the Hudspeth Formation
1371:Journal of Vertebrate Paleontology
14:
1214:. Geological Society of America.
330:
323:
302:
295:
276:
258:
550:A short necked Plesiosauroidea
1:
1461:Geologic formations of Oregon
1444:10.5479/si.00963801.73-2745.1
1380:10.1080/02724634.2018.1486847
371:. The formation dates to the
314:Show map of the United States
1466:Cretaceous geology of Oregon
212:Approximate paleocoordinates
731:Siderite nodule and shells
339:Hudspeth Formation (Oregon)
1522:
16:Geomorphological formation
868:
751:
639:
367:, found in Oregon of the
289:
26:
493:Toe bone and a vertebra
369:United States of America
1491:Shallow marine deposits
1400:The Paleontology Portal
1128:is still extant though
1501:Wheeler County, Oregon
1496:Paleontology in Oregon
1275:Retallack et al., 2018
1189:Paleontology in Oregon
1144:
944:Stratigraphic position
895:
746:
626:Stratigraphic position
469:
423:Stratigraphic position
1220:10.1130/2018.2540(11)
1139:
894:
745:
468:
389:Gable Creek Formation
142:Lake Counties, Oregon
1337:University of Oregon
1294:University of Oregon
118:Geological formation
1506:Lake County, Oregon
1481:Mudstone formations
921:Other invertebrates
580:Scapanorhynchus sp.
480:Mitchell ornithopod
230: /
191: /
28:Stratigraphic range
1313:Fremd et al., 2005
1145:
896:
747:
470:
355:Hudspeth Formation
342:Show map of Oregon
22:Hudspeth Formation
1175:
1174:
918:
917:
846:Pseudohelicoceras
600:
599:
569:Vertebral centra
351:
350:
254:Pacific Northwest
1513:
1486:Shale formations
1447:
1424:
1409:
1407:
1406:
1391:
1353:
1352:
1350:
1348:
1339:. Archived from
1329:
1323:
1320:
1314:
1311:
1305:
1304:
1302:
1300:
1285:
1276:
1273:
1267:
1264:
1258:
1257:
1255:
1254:
1248:
1240:
1234:
1233:
1204:
925:
835:Siderite nodule
811:Siderite nodule
607:
547:A partial skull
404:
377:Early Cretaceous
343:
334:
333:
327:
315:
306:
305:
299:
282:
280:
279:
264:
262:
261:
245:
244:
242:
241:
240:
235:
231:
228:
227:
226:
223:
206:
205:
203:
202:
201:
196:
192:
189:
188:
187:
184:
109:
46:
42:107.5–96.6
19:
1521:
1520:
1516:
1515:
1514:
1512:
1511:
1510:
1451:
1450:
1427:
1412:
1404:
1402:
1394:
1364:
1361:
1356:
1346:
1344:
1343:on July 5, 2020
1331:
1330:
1326:
1321:
1317:
1312:
1308:
1298:
1296:
1287:
1286:
1279:
1274:
1270:
1265:
1261:
1252:
1250:
1246:
1242:
1241:
1237:
1230:
1206:
1205:
1201:
1197:
1180:
1039:T. jacksonensis
1014:E. californicus
923:
605:
535:Plesiosauroidea
402:
397:
347:
346:
345:
344:
341:
340:
337:
336:
335:
318:
317:
316:
313:
312:
309:
308:
307:
277:
275:
259:
257:
256:
238:
236:
232:
229:
224:
221:
219:
217:
216:
199:
197:
193:
190:
185:
182:
180:
178:
177:
108:
107:
102:
97:
92:
87:
82:
77:
72:
67:
62:
57:
52:
41:
40:
38:
17:
12:
11:
5:
1519:
1517:
1509:
1508:
1503:
1498:
1493:
1488:
1483:
1478:
1473:
1468:
1463:
1453:
1452:
1449:
1448:
1425:
1410:
1397:"Oregon, U.S."
1392:
1360:
1357:
1355:
1354:
1324:
1315:
1306:
1277:
1268:
1259:
1235:
1228:
1198:
1196:
1193:
1192:
1191:
1186:
1179:
1176:
1173:
1172:
1170:
1167:
1165:
1163:
1160:
1155:
1147:
1146:
1142:Euspira catena
1133:
1123:
1121:
1119:
1116:
1111:
1103:
1102:
1100:
1098:
1096:
1094:
1091:
1089:S. oregonensis
1086:
1078:
1077:
1075:
1073:
1071:
1069:
1066:
1061:
1053:
1052:
1050:
1048:
1046:
1044:
1041:
1036:
1028:
1027:
1025:
1023:
1021:
1019:
1016:
1011:
1003:
1002:
1000:
998:
996:
994:
991:
990:Indeterminate
988:
980:
979:
977:
975:
973:
971:
968:
963:
955:
954:
951:
948:
945:
942:
939:
936:
932:
931:
922:
919:
916:
915:
913:
911:
909:
907:
904:
898:
897:
888:
886:
884:
882:
879:
874:
866:
865:
863:
861:
859:
857:
854:
849:
841:
840:
838:
836:
833:
831:
828:
827:Indeterminate
825:
822:Anagaudryceras
817:
816:
814:
812:
809:
807:
804:
802:M. oregonensis
799:
791:
790:
788:
786:
783:
781:
778:
772:
771:
769:
767:
765:
763:
760:
759:Indeterminate
757:
749:
748:
739:
732:
729:
727:
724:
719:
711:
710:
708:
706:
703:
701:
698:
693:
685:
684:
682:
680:
678:
676:
673:
667:
666:
664:
662:
655:
653:
650:
645:
637:
636:
633:
630:
627:
624:
621:
618:
614:
613:
604:
601:
598:
597:
595:
592:
589:
587:
585:
583:
575:
574:
572:
570:
567:
565:
563:
562:Indeterminate
560:
554:
553:
551:
548:
545:
543:
540:
539:Indeterminate
537:
531:
530:
528:
525:
522:
520:
517:
516:Indeterminate
514:
508:
507:
505:
494:
491:
489:
486:
485:Indeterminate
483:
472:
471:
462:
459:Tapejaromorpha
455:
452:
450:
447:
445:B. oregonensis
442:
434:
433:
430:
427:
424:
421:
418:
415:
411:
410:
401:
398:
396:
395:Fossil content
393:
365:rock formation
349:
348:
338:
329:
328:
322:
321:
320:
319:
310:
301:
300:
294:
293:
292:
291:
290:
287:
286:
273:
269:
268:
251:
247:
246:
214:
208:
207:
195:43.3°N 120.1°W
175:
169:
168:
164:
163:
154:
150:
149:
145:
144:
135:
131:
130:
128:Mitchell Group
125:
121:
120:
115:
111:
110:
103:
98:
93:
88:
83:
78:
73:
68:
63:
58:
53:
48:
47:
24:
23:
15:
13:
10:
9:
6:
4:
3:
2:
1518:
1507:
1504:
1502:
1499:
1497:
1494:
1492:
1489:
1487:
1484:
1482:
1479:
1477:
1474:
1472:
1469:
1467:
1464:
1462:
1459:
1458:
1456:
1445:
1441:
1438:(2745): 1–5.
1437:
1433:
1432:
1426:
1422:
1418:
1417:
1411:
1401:
1398:
1393:
1389:
1385:
1381:
1377:
1373:
1372:
1368:
1363:
1362:
1358:
1342:
1338:
1334:
1328:
1325:
1319:
1316:
1310:
1307:
1295:
1291:
1284:
1282:
1278:
1272:
1269:
1266:Gilmore, 1928
1263:
1260:
1245:
1239:
1236:
1231:
1229:9780813725406
1225:
1221:
1217:
1213:
1212:
1203:
1200:
1194:
1190:
1187:
1185:
1182:
1181:
1177:
1171:
1168:
1166:
1164:
1161:
1159:
1156:
1154:
1153:
1149:
1148:
1143:
1138:
1134:
1131:
1130:E. conradiana
1127:
1124:
1122:
1120:
1117:
1115:
1114:E. conradiana
1112:
1110:
1109:
1105:
1104:
1101:
1099:
1097:
1095:
1092:
1090:
1087:
1085:
1084:
1080:
1079:
1076:
1074:
1072:
1070:
1067:
1065:
1062:
1060:
1059:
1055:
1054:
1051:
1049:
1047:
1045:
1042:
1040:
1037:
1035:
1034:
1030:
1029:
1026:
1024:
1022:
1020:
1017:
1015:
1012:
1010:
1009:
1005:
1004:
1001:
999:
997:
995:
992:
989:
987:
986:
982:
981:
978:
976:
974:
972:
969:
967:
964:
962:
961:
957:
956:
952:
949:
946:
943:
940:
937:
934:
933:
930:
926:
920:
914:
912:
910:
908:
905:
903:
900:
899:
893:
889:
887:
885:
883:
880:
878:
875:
873:
872:
867:
864:
862:
860:
858:
855:
853:
850:
848:
847:
843:
842:
839:
837:
834:
832:
829:
826:
824:
823:
819:
818:
815:
813:
810:
808:
805:
803:
800:
798:
797:
793:
792:
789:
787:
785:Coiled shell
784:
782:
779:
777:
774:
773:
770:
768:
766:
764:
761:
758:
756:
755:
750:
744:
740:
737:
733:
730:
728:
725:
723:
720:
718:
717:
713:
712:
709:
707:
704:
702:
699:
697:
694:
692:
691:
687:
686:
683:
681:
679:
677:
674:
672:
669:
668:
665:
663:
660:
656:
654:
651:
649:
648:B. hulenensis
646:
644:
643:
638:
634:
631:
628:
625:
622:
619:
616:
615:
612:
608:
602:
596:
593:
590:
588:
586:
584:
582:
581:
577:
576:
573:
571:
568:
566:
564:
561:
559:
558:Ichthyosauria
556:
555:
552:
549:
546:
544:
541:
538:
536:
533:
532:
529:
526:
523:
521:
518:
515:
513:
510:
509:
506:
503:
499:
495:
492:
490:
487:
484:
481:
477:
474:
473:
467:
463:
460:
456:
453:
451:
448:
446:
443:
441:
440:
436:
435:
431:
428:
425:
422:
419:
416:
413:
412:
409:
405:
399:
394:
392:
390:
386:
382:
378:
374:
370:
366:
363:
360:
356:
326:
298:
288:
285:
284:United States
274:
270:
267:
255:
252:
248:
243:
234:42.9°N 74.8°E
215:
213:
209:
204:
176:
174:
170:
165:
162:
158:
155:
151:
146:
143:
139:
136:
132:
129:
126:
122:
119:
116:
112:
106:
101:
96:
91:
86:
81:
76:
71:
66:
61:
56:
51:
45:
37:
33:
29:
25:
20:
1476:Albian Stage
1435:
1429:
1420:
1414:
1403:. Retrieved
1399:
1369:
1359:Bibliography
1345:. Retrieved
1341:the original
1336:
1327:
1322:Welton, 1972
1318:
1309:
1297:. Retrieved
1293:
1271:
1262:
1251:. Retrieved
1238:
1210:
1202:
1157:
1150:
1141:
1129:
1125:
1113:
1106:
1088:
1081:
1063:
1056:
1038:
1031:
1013:
1006:
983:
965:
958:
928:
901:
876:
871:Mortoniceras
869:
852:P. petersoni
851:
844:
820:
801:
794:
775:
752:
722:D. alamoense
721:
714:
695:
688:
670:
647:
642:Brewericeras
640:
610:
578:
444:
439:Bennettazhia
437:
407:
354:
352:
200:43.3; -120.1
1416:The Ore Bin
1132:is extinct
1083:Sogdianella
966:P. russelli
877:M. inflatum
776:A. merriami
696:L. lecontei
690:Leconteites
512:Ornithopoda
476:Ornithopoda
400:Vertebrates
375:age of the
362:sedimentary
237: /
198: /
173:Coordinates
1455:Categories
1423:: 161–170.
1405:2020-07-04
1253:2020-07-04
1195:References
1152:Eucorystes
1140:An extant
1064:G. vespera
1033:Trigonarca
754:Anisoceras
716:Desmoceras
671:B. breweri
461:pterosaur
359:Cretaceous
239:42.9; 74.8
36:Cenomanian
1158:E. platys
960:Pleuromya
902:M. fallax
657:Shell in
603:Ammonites
524:Vertebra
381:Pterosaur
148:Lithology
1388:91379584
1299:July 15,
1178:See also
1058:Goniomya
1008:Epiaster
947:Material
941:Location
796:Mariella
661:nodules
659:siderite
629:Material
623:Location
594:A shark
498:dinosaur
426:Material
420:Location
385:dinosaur
186:120°06′W
167:Location
157:Mudstone
1347:July 4,
1162:Oregon
1126:Euspira
1118:Oregon
1108:Euspira
1093:Oregon
1068:Oregon
1043:Oregon
1018:Oregon
993:Oregon
970:Oregon
953:Images
938:Species
906:Oregon
881:Oregon
856:Oregon
830:Oregon
806:Oregon
780:Oregon
762:Oregon
726:Oregon
700:Oregon
675:Oregon
652:Oregon
635:Images
620:Species
542:Oregon
519:Oregon
488:Oregon
449:Oregon
432:Images
417:Species
272:Country
225:74°48′E
222:42°54′N
183:43°18′N
153:Primary
138:Wheeler
124:Unit of
1386:
1249:. 1971
1226:
985:Buchia
736:genera
705:Shell
591:Teeth
496:First
373:Albian
281:
266:Oregon
263:
250:Region
140:&
32:Albian
1384:S2CID
1247:(PDF)
950:Notes
935:Genus
632:Notes
617:Genus
502:Idaho
429:Notes
414:Genus
357:is a
161:shale
1349:2020
1301:2021
1224:ISBN
353:The
134:Area
114:Type
50:PreꞒ
1440:doi
1376:doi
1216:doi
1457::
1436:73
1434:.
1421:34
1419:.
1382:.
1374:.
1335:.
1292:.
1280:^
1222:.
482:)
457:A
391:.
383:,
159:,
100:Pg
44:Ma
30::
1446:.
1442::
1408:.
1390:.
1378::
1351:.
1303:.
1256:.
1232:.
1218::
478:(
105:N
95:K
90:J
85:T
80:P
75:C
70:D
65:S
60:O
55:Ꞓ
39:~
34:-
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
