317:
391:
336:
425:
416:
407:
398:
370:
361:
352:
343:
875:
Qin, Zuohuan; Xi, Dangpeng; Sames, Benjamin; Do Carmo, Dermeval
Aparecido; Wang, Xuri; Xu, Yankang; Yu, Zhiqiang; Wei, Feng; Leite, Amanda Moreira (2018), "Ostracods of the non-marine Lower Cretaceous Dabeigou Formation at Yushuxia (Luanping basin, North China): Implications for the early Jehol Biota
735:
931:
1007:
Zhang, X. W.; Ren, D.; Pang, H.; Shih, C.K. (2009), "Late
Mesozoic chresmodids with forewing from Inner Mongolia, China (Polyneoptera: Archaeorthoptera)",
521:. As of 2016 this is the oldest bird with a toothless beak known, but it belongs to a very ancestral avian lineage not closely related to living birds.
1031:
929:
Wang, M.; Stidham, T. A. (2018), "A new clade of basal Early
Cretaceous pygostylian birds and developmental plasticity of the avian shoulder girdle",
1124:
335:
1063:, D. Ren, L.W. Lu, Z.G. Guo, S.A. Ji (eds.), Faunae and stratigraphy of Jurassic-Cretaceous in Beijing and the adjacent areas, pp. 47–121
390:
1119:
1029:
Zhang, Z.; Zhou, Z.; Benton, M. J. (2008), "A primitive confuciusornithid bird from China and its implications for early avian flight",
979:
Kopylov, D. S.; Zhang, H. C. (2015), "New ichneumonids (Insecta: Hymenoptera: Ichneumonidae) from the Lower
Cretaceous of north China",
1104:
1159:
1169:
459:
1164:
1144:
914:
Rong, Y.-F (2018), "Restudy of
Regalerpeton weichangensis (Amphibia: Urodela) from the Lower Cretaceous of Hebei, China",
451:
1149:
223:
269:
230:
1134:
1129:
1139:
1154:
1009:
166:
916:
512:
207:
152:
1040:
988:
940:
887:
717:
665:
124:
672:
878:
581:
704:
637:
623:
651:
644:
630:
679:
658:
616:
602:
1100:
968:
903:
1048:
1018:
996:
958:
948:
895:
517:
156:
1044:
992:
944:
891:
963:
262:
1113:
1022:
699:
496:
74:
27:
545:
531:
477:
1000:
899:
739:
493:
489:
134:
49:
35:
31:
1081:, Palaeontological Atlas of North China, II, Mesozoic Volume, pp. 128–185
1052:
693:
574:
567:
560:
500:
94:
59:
907:
284:
271:
245:
232:
953:
686:
595:
588:
211:
189:
99:
43:
972:
193:
89:
84:
69:
64:
54:
203:
104:
79:
609:
467:
485:
481:
322:
304:
1072:, The Paleontology and Stratigraphy of Shandong, pp. 74–84
1070:
Some fossil insects from the
Jurassic of northern Hebei, China
176:
Varies, in
Yushuxia section 220 metres (720 ft)
310:
300:
261:
222:
217:
199:
185:
180:
172:
162:
148:
140:
130:
120:
21:
1093:Vickers-Rich, Patricia & Rich, Thomas Hewett
932:Proceedings of the National Academy of Sciences
794:
792:
790:
788:
786:
784:
8:
858:
856:
854:
852:
850:
826:
824:
822:
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808:
806:
804:
424:
415:
406:
397:
369:
360:
351:
342:
18:
1032:Science in China Series D: Earth Sciences
962:
952:
840:
838:
836:
728:
503:period, approximately 135 to 130 Ma.
7:
16:Geologic formation in Hebei, China
14:
1023:10.1111/j.1755-6724.2010.00168.x
423:
414:
405:
396:
389:
368:
359:
350:
341:
334:
315:
1125:Lower Cretaceous Series of Asia
472:
463:
455:
1:
1001:10.1016/j.cretres.2014.03.012
900:10.1016/j.cretres.2018.03.010
1120:Geologic formations of China
666:Pleciofungivora yangtianense
263:Approximate paleocoordinates
582:Brachyopteryx weichangensis
1186:
638:Mesasimulium laihaigouense
546:Regalerpeton weichangensis
432:Dabeigou Formation (Hebei)
377:Dabeigou Formation (China)
1053:10.1007/s11430-008-0050-3
798:Kopylov & Zhang, 2015
631:Manlayamyia dabeigouensis
328:
26:
769:Wang & Stidham, 2018
488:. It dates from the mid
1160:Conglomerate formations
954:10.1073/pnas.1812176115
624:Jibeigomphus xinboensis
561:Amplicella beipiaoensis
917:Vertebrata PalAsiatica
652:Mesolygaeus hebeiensis
532:Jinguofortis perplexus
1170:Paleontology in Hebei
1010:Acta Geologica Sinica
659:Mesoplecia xinboensis
617:Hebeicoris xinboensis
610:Glypta qingshilaensis
589:Chresmoda multinervis
480:formation located in
167:Zhangjiakou Formation
1165:Siltstone formations
1145:Sandstone formations
1097:Wildlife of Gondwana
1068:Zhang, J. F (1986),
718:List of fossil sites
700:Ichneumonidae indet.
673:Priscotendipes mirus
603:Coptoclava longipoda
513:confuciusornithiform
511:Fossils include the
125:Geological formation
1150:Mudstone formations
1077:Hong, Y. C (1984),
1045:2008ScChD..51..625Z
993:2015CrRes..52..591K
981:Cretaceous Research
945:2018PNAS..11510708W
939:(42): 10708–10713,
892:2018CrRes..86..199Q
879:Cretaceous Research
705:Tanychorinae indet.
460:traditional Chinese
281: /
242: /
28:Stratigraphic range
830:Zhang et al., 2009
760:Zhang et al., 2008
736:Dabeigou Formation
452:simplified Chinese
448:Dabeigou Formation
22:Dabeigou Formation
1135:Valanginian Stage
1130:Hauterivian Stage
680:Vitimoilus ovatus
444:
443:
435:Show map of Hebei
380:Show map of China
157:Yixian Formations
1177:
1140:Cretaceous China
1094:
1082:
1073:
1064:
1055:
1025:
1003:
975:
966:
956:
925:
910:
863:
860:
845:
842:
831:
828:
817:
814:
799:
796:
779:
776:
770:
767:
761:
758:
752:
751:Qin et al., 2018
749:
743:
733:
687:Notocupes lentus
518:Eoconfuciusornis
478:palaeontological
474:
465:
457:
436:
427:
426:
418:
417:
409:
408:
400:
399:
393:
381:
372:
371:
363:
362:
354:
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321:
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318:
296:
295:
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286:
282:
279:
278:
277:
274:
257:
256:
254:
253:
252:
247:
243:
240:
239:
238:
235:
144:Numbered Members
116:
46:
19:
1185:
1184:
1180:
1179:
1178:
1176:
1175:
1174:
1155:Tuff formations
1110:
1109:
1092:
1089:
1087:Further reading
1076:
1067:
1059:Ren, D (1995),
1058:
1028:
1006:
978:
928:
913:
874:
871:
866:
861:
848:
843:
834:
829:
820:
815:
802:
797:
782:
777:
773:
768:
764:
759:
755:
750:
746:
734:
730:
726:
714:
709:
645:M. laiyangensis
575:A. shcherbakovi
509:
440:
439:
438:
437:
434:
433:
430:
429:
428:
420:
419:
411:
410:
402:
401:
384:
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379:
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375:
374:
373:
365:
364:
356:
355:
347:
346:
316:
314:
289:
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283:
280:
275:
272:
270:
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250:
248:
244:
241:
236:
233:
231:
229:
228:
115:
114:
113:
112:
107:
102:
97:
92:
87:
82:
77:
72:
67:
62:
57:
52:
41:
40:
38:
36:mid Hauterivian
32:mid Valanginian
17:
12:
11:
5:
1183:
1181:
1173:
1172:
1167:
1162:
1157:
1152:
1147:
1142:
1137:
1132:
1127:
1122:
1112:
1111:
1108:
1107:
1088:
1085:
1084:
1083:
1074:
1065:
1056:
1039:(5): 625–639,
1026:
1004:
976:
926:
911:
870:
867:
865:
864:
846:
832:
818:
800:
780:
771:
762:
753:
744:
727:
725:
722:
721:
720:
713:
710:
708:
707:
702:
697:
694:Amplicella sp.
690:
683:
676:
669:
662:
655:
648:
641:
634:
627:
620:
613:
606:
599:
592:
585:
578:
571:
564:
556:
555:
554:
550:
549:
541:
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536:
535:
527:
526:
508:
507:Fossil content
505:
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431:
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403:
395:
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388:
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329:
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312:
308:
307:
302:
298:
297:
285:43.6°N 118.5°E
265:
259:
258:
246:41.7°N 116.4°E
226:
220:
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201:
197:
196:
187:
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83:
78:
73:
68:
63:
58:
53:
48:
47:
24:
23:
15:
13:
10:
9:
6:
4:
3:
2:
1182:
1171:
1168:
1166:
1163:
1161:
1158:
1156:
1153:
1151:
1148:
1146:
1143:
1141:
1138:
1136:
1133:
1131:
1128:
1126:
1123:
1121:
1118:
1117:
1115:
1106:
1105:0-7301-0315-3
1102:
1098:
1091:
1090:
1086:
1080:
1075:
1071:
1066:
1062:
1057:
1054:
1050:
1046:
1042:
1038:
1034:
1033:
1027:
1024:
1020:
1016:
1012:
1011:
1005:
1002:
998:
994:
990:
986:
982:
977:
974:
970:
965:
960:
955:
950:
946:
942:
938:
934:
933:
927:
923:
919:
918:
912:
909:
905:
901:
897:
893:
889:
885:
881:
880:
873:
872:
868:
859:
857:
855:
853:
851:
847:
841:
839:
837:
833:
827:
825:
823:
819:
813:
811:
809:
807:
805:
801:
795:
793:
791:
789:
787:
785:
781:
775:
772:
766:
763:
757:
754:
748:
745:
741:
737:
732:
729:
723:
719:
716:
715:
711:
706:
703:
701:
698:
696:
695:
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689:
688:
684:
682:
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677:
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674:
670:
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656:
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653:
649:
647:
646:
642:
640:
639:
635:
633:
632:
628:
626:
625:
621:
619:
618:
614:
612:
611:
607:
605:
604:
600:
598:
597:
593:
591:
590:
586:
584:
583:
579:
577:
576:
572:
570:
569:
565:
563:
562:
558:
557:
552:
551:
548:
547:
543:
542:
538:
537:
534:
533:
529:
528:
524:
523:
522:
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519:
514:
506:
504:
502:
498:
495:
491:
487:
483:
479:
475:
469:
461:
453:
449:
392:
337:
327:
324:
313:
309:
306:
303:
299:
294:
266:
264:
260:
255:
227:
225:
221:
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209:
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168:
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154:
151:
147:
143:
139:
136:
133:
129:
126:
123:
119:
106:
101:
96:
91:
86:
81:
76:
71:
66:
61:
56:
51:
45:
42:135–130
37:
33:
29:
25:
20:
1096:
1078:
1069:
1060:
1036:
1030:
1014:
1008:
984:
980:
936:
930:
921:
915:
883:
877:
869:Bibliography
774:
765:
756:
747:
731:
692:
685:
678:
671:
664:
657:
650:
643:
636:
629:
622:
615:
608:
601:
594:
587:
580:
573:
568:A. exquisita
566:
559:
544:
530:
516:
510:
471:
447:
445:
208:conglomerate
987:: 591–604,
886:: 199–218,
862:Zhang, 1986
740:Fossilworks
494:Hauterivian
490:Valanginian
473:Dàběigōu zǔ
290:43.6; 118.5
288: /
251:41.7; 116.4
249: /
224:Coordinates
135:Jehol Biota
1114:Categories
816:Hong, 1984
778:Rong, 2018
724:References
539:Amphibians
501:Cretaceous
1017:: 38–46,
924:: 121–136
908:0195-6671
844:Ren, 1995
212:siltstone
190:Sandstone
181:Lithology
173:Thickness
149:Underlies
141:Sub-units
1099:. Reed.
1095:(1993);
973:30249638
712:See also
596:C. shihi
276:118°30′E
237:116°24′E
218:Location
194:mudstone
163:Overlies
153:Dadianzi
1079:Insecta
1061:Insecta
1041:Bibcode
989:Bibcode
964:6196491
941:Bibcode
888:Bibcode
553:Insects
499:of the
476:) is a
311:Country
273:43°36′N
234:41°42′N
204:Tuffite
186:Primary
131:Unit of
111:↓
1103:
971:
961:
906:
876:age",
470::
468:pinyin
462::
454::
320:
301:Region
155:&
525:Birds
515:bird
486:China
482:Hebei
323:China
305:Hebei
200:Other
1101:ISBN
969:PMID
904:ISSN
742:.org
464:大北溝組
456:大北沟组
446:The
121:Type
50:PreꞒ
1049:doi
1019:doi
997:doi
959:PMC
949:doi
937:115
896:doi
738:at
497:age
492:to
1116::
1047:,
1037:51
1035:,
1015:84
1013:,
995:,
985:52
983:,
967:,
957:,
947:,
935:,
922:56
920:,
902:,
894:,
884:86
882:,
849:^
835:^
821:^
803:^
783:^
484:,
466:;
458:;
210:,
206:,
192:,
100:Pg
44:Ma
30::
1051::
1043::
1021::
999::
991::
951::
943::
898::
890::
450:(
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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