290:
297:
272:
463:
642:
Matsukawa, M.; Obata, I. (1994), "Dinosaurs and sedimentary environments in the
Japanese Cretaceous: a contribution to dinosaur facies in Asia based on molluscan palaeontology and stratigraphy",
289:
473:
468:
565:
Matsumoto, R.; Manabe, M.; Evans, S. E. (2014), "The first record of a long-snouted chrositodere (Reptilia, Diapsida) from the Early
Cretaceous of Isihikawa Prefecture, Japan",
589:
Kappachelys okurai gen. et sp. nov., a new stem soft-shelled turtle from the Early
Cretaceous of Japan. In D. B. Brinkman, P. A. Holroyd, J. D. Gardner
686:
458:
721:
681:
618:
706:
498:
726:
701:
178:
696:
224:
185:
716:
711:
691:
328:
166:
502:
653:
117:
644:
604:
596:
351:
567:
402:
368:
147:
137:
637:, Sixth Symposium on Mesozoic Terrestrial Ecosystems and Biota, Short Papers, pp. 125–131
614:
319:
661:
576:
339:
421:
410:
657:
635:
Early
Cretaceous dinosaur fauna of the Tetori Group in Japan. In A. Sun, Y. Wang (eds.)
217:
675:
416:
74:
27:
600:
445:
383:
359:
127:
608:
580:
427:
343:
49:
31:
363:
94:
59:
239:
226:
200:
187:
433:
347:
162:
99:
43:
35:
665:
89:
84:
69:
64:
54:
104:
79:
396:
355:
259:
366:
tracks have been reported from the formation. As well as the turtle
277:
464:
List of stratigraphic units with indeterminate dinosaur fossils
379:
The following fossils have been reported from the formation:
613:, Berkeley: University of California Press, pp. 1–880,
591:, Morphology and Evolution of Turtles, pp. 179–185
333:
469:
List of stratigraphic units with ornithischian tracks
265:
255:
216:
177:
172:
158:
153:
143:
133:
123:
113:
21:
521:
519:
362:fossils are known from the formation. Fossil
8:
587:Hirayama, R.; Isaji, S.; Hibino, T. (2013),
16:Early Cretaceous geologic formation in Japan
18:
459:List of dinosaur-bearing rock formations
296:
488:
494:
492:
430:- isolated teeth of small ornithopods
7:
424:- a nearly complete right premaxilla
413:- isolated teeth of small crocodiles
513:Weishampel et al., 2004, pp.517-607
14:
295:
288:
270:
687:Lower Cretaceous Series of Asia
633:Azuma, Y.; Tomida, Y. (1995),
1:
722:Ichnofossiliferous formations
682:Geologic formations of Japan
581:10.1080/08912963.2014.898296
218:Approximate paleocoordinates
610:The Dinosauria, 2nd edition
534:Matsukawa & Obata, 1994
334:
743:
323:
283:
26:
552:Azuma & Tomida, 1995
304:Akaiwa Formation (Japan)
707:Conglomerate formations
358:, Japan. Indeterminate
666:10.1006/cres.1994.1005
543:Matsumoto et al., 2014
422:Neochoristodera indet.
411:Crocodylomorpha indet.
727:Paleontology in Japan
525:Hirayama et al., 2013
503:Paleobiology Database
417:?Euornithopoda indet.
702:Sandstone formations
597:Weishampel, David B.
118:Geological formation
658:1994CrRes..15..101M
645:Cretaceous Research
446:Ornithischia indet.
384:Osteichthyes indet.
236: /
197: /
28:Stratigraphic range
568:Historical Biology
428:Ornithopoda indet.
403:Kappachelys okurai
148:Kuwajima Formation
138:Kitadani Formation
697:Hauterivian Stage
605:Osmólska, Halszka
474:Ornithopod tracks
434:?Theropoda indet.
332:
312:
311:
734:
717:Paludal deposits
712:Fluvial deposits
668:
638:
629:
628:
627:
592:
583:
553:
550:
544:
541:
535:
532:
526:
523:
514:
511:
505:
499:Akaiwa Formation
496:
340:Early Cretaceous
337:
327:
325:
316:Akaiwa Formation
299:
298:
292:
276:
274:
273:
251:
250:
248:
247:
246:
241:
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234:
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229:
212:
211:
209:
208:
207:
202:
198:
195:
194:
193:
190:
109:
46:
22:Akaiwa Formation
19:
742:
741:
737:
736:
735:
733:
732:
731:
692:Barremian Stage
672:
671:
641:
632:
625:
623:
621:
595:
586:
564:
561:
556:
551:
547:
542:
538:
533:
529:
524:
517:
512:
508:
497:
490:
486:
455:
386:- 'fish scales'
377:
308:
307:
306:
305:
302:
301:
300:
271:
269:
244:
242:
238:
235:
230:
227:
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223:
222:
205:
203:
199:
196:
191:
188:
186:
184:
183:
108:
107:
102:
97:
92:
87:
82:
77:
72:
67:
62:
57:
52:
41:
40:
38:
17:
12:
11:
5:
740:
738:
730:
729:
724:
719:
714:
709:
704:
699:
694:
689:
684:
674:
673:
670:
669:
652:(1): 101–125,
639:
630:
619:
593:
584:
560:
557:
555:
554:
545:
536:
527:
515:
506:
487:
485:
482:
481:
480:
479:
478:
477:
476:
461:
454:
451:
450:
449:
442:
441:
437:
436:
431:
425:
419:
414:
408:
407:
406:
393:
392:
388:
387:
376:
375:Fossil content
373:
310:
309:
303:
294:
293:
287:
286:
285:
284:
281:
280:
267:
263:
262:
257:
253:
252:
240:46.1°N 138.3°E
220:
214:
213:
201:36.2°N 136.7°E
181:
175:
174:
170:
169:
160:
156:
155:
151:
150:
145:
141:
140:
135:
131:
130:
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:
739:
728:
725:
723:
720:
718:
715:
713:
710:
708:
705:
703:
700:
698:
695:
693:
690:
688:
685:
683:
680:
679:
677:
667:
663:
659:
655:
651:
647:
646:
640:
636:
631:
622:
620:0-520-24209-2
616:
612:
611:
606:
602:
601:Dodson, Peter
598:
594:
590:
585:
582:
578:
574:
570:
569:
563:
562:
558:
549:
546:
540:
537:
531:
528:
522:
520:
516:
510:
507:
504:
500:
495:
493:
489:
483:
475:
472:
471:
470:
467:
466:
465:
462:
460:
457:
456:
452:
447:
444:
443:
439:
438:
435:
432:
429:
426:
423:
420:
418:
415:
412:
409:
405:
404:
400:
399:
398:
395:
394:
390:
389:
385:
382:
381:
380:
374:
372:
371:
370:
365:
361:
360:ornithischian
357:
353:
349:
345:
341:
336:
330:
321:
317:
291:
282:
279:
268:
264:
261:
258:
254:
249:
221:
219:
215:
210:
182:
180:
176:
171:
168:
164:
161:
157:
152:
149:
146:
142:
139:
136:
132:
129:
126:
122:
119:
116:
112:
106:
101:
96:
91:
86:
81:
76:
71:
66:
61:
56:
51:
45:
42:132–125
37:
33:
29:
25:
20:
649:
643:
634:
624:, retrieved
609:
588:
572:
566:
559:Bibliography
548:
539:
530:
509:
440:Ichnofossils
401:
378:
367:
315:
313:
167:conglomerate
128:Tetori Group
575:: 583–594,
369:Kappachelys
354:in central
350:) geologic
344:Hauterivian
245:46.1; 138.3
243: /
206:36.2; 136.7
204: /
179:Coordinates
32:Hauterivian
676:Categories
626:2019-02-21
484:References
364:ornithopod
352:formation
348:Barremian
335:Akaiwa-sō
329:romanized
163:Sandstone
154:Lithology
134:Underlies
36:Barremian
607:(2004),
453:See also
448:- tracks
391:Reptiles
338:) is an
320:Japanese
231:138°18′E
192:136°42′E
173:Location
144:Overlies
654:Bibcode
501:in the
397:Turtles
331::
266:Country
228:46°06′N
189:36°12′N
159:Primary
124:Unit of
617:
356:Honshu
275:
260:Honshu
256:Region
278:Japan
615:ISBN
314:The
114:Type
50:PreꞒ
662:doi
577:doi
324:赤岩層
678::
660:,
650:15
648:,
603:;
599:;
573:27
571:,
518:^
491:^
326:,
322::
165:,
100:Pg
44:Ma
30::
664::
656::
579::
346:-
342:(
318:(
105:N
95:K
90:J
85:T
80:P
75:C
70:D
65:S
60:O
55:Ꞓ
39:~
34:-
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