Jingangshan, Yixian (IVPP): Late/Upper Barremian - Early/Lower Aptian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Testudines
- Sinemydidae
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Manchurochelys sp.
Endo and Shikama 1942
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Wang and Zhou 2004 | |||||||||
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Reptilia
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Yabeinosaurus sp.
Endo and Shikama 1942
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Wang and Zhou 2004 | 3 individuals | ||||||||
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= Yabeinosaurus tenuis
Endo and Shikama 1942
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Evans et al. 2005 | |||||||||
| nomen dubium belonging to Yabeinosaurus | ||||||||||
| IVPP V12641 (juvenile skeleton), and YFM R002 (neotype, Yizhou Fossil Museum); PKUP V1059 | ||||||||||
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Yabeinosaurus bicuspidens n. sp.
Dong et al. 2017
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Dong et al. 2017 | 1 individual | ||||||||
| IVPP V 15840 (holotype), associated but disarticulated bones on a slab of shale, preserving a right maxilla, a right jugal and ectopterygoid, a right pterygoid, a median premaxilla, both mandibles, and postcranial bones including a humerus. | ||||||||||
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Enantiornithes indet.
Walker 1981
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1 individual | |||||||||
| IVPP V13939 | ||||||||||
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Pterodactyloidea indet.
(Plieninger 1901)
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Wang and Zhou 2004 | 2 individuals | ||||||||
| IVPP V13758, JZMP-03-03-2 (eggs with embryos) | ||||||||||
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Eosipterus yangi n. gen., n. sp.
Ji and Ji 1997
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Ji and Ji 1997 | 1 individual | ||||||||
| GMV 2117, incomplete skeleton lacking head and cervical vertebrae | ||||||||||
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Yixianopterus jingangshanensis n. gen., n. sp.
Lü et al. 2006
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Lü et al. 2006 | 1 individual | ||||||||
| JZMP-V-12, incomplete skeleton with rostrum | ||||||||||
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Reptilia
- Gallodactylidae
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Gladocephaloideus jingangshanensis n. gen., n. sp.
Lü et al. 2012
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Lü et al. 2012 | 1 individual | ||||||||
| IG-CAGS-08-07, nearly complete skull | ||||||||||
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Actinopteri
- Leptolepidiformes
- Leptolepididae
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Lycoptera sp.
Müller 1847
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Wang and Zhou 2004 | |||||||||
| see common names | ||||||||||
Geography
| Country: | China | State/province: | Liaoning |
| Coordinates: | 41.5° North, 121.2° East (view map) | ||
| Paleocoordinates: | 44.2° North, 123.1° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Barremian | ||
| Key time interval: | Late/Upper Barremian - Early/Lower Aptian | ||
| Age range of interval: | 125.77000 - 119.50000 m.y. ago |
Stratigraphy
| Geological group: | Jehol | Formation: | Yixian | Member: | Jingangshan |
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: "Jingangshan Bed" from upper part of formation
"age of 129.7 ± 0.5 Ma for a basaltic lava from the bottom of the Yixian Formation and an age of 122.1 ± 0.3 Ma for a tuff from the lowermost part of the overlying Jiufotang Formation" (Chang et al. 2009) | |||||
Lithology and environment
| Primary lithology: | gray,yellow "shale" |
| Includes fossils? | Y |
| Environment: | lacustrine indet. |
Taphonomy
| Modes of preservation: | body,adpression,soft parts |
| Lagerst�tten type: | conservation |
| Degree of concentration: | dispersed |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Articulated whole bodies: | many |
| Temporal resolution: | snapshot |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | paleoecologic analysis |
| Museum repositories: | IVPP |
Metadata
| Database number: | 79521 | ||
| Authorizer: | M. Carrano, R. Butler, P. Barrett, R. Benson | Enterer: | M. Carrano, R. Butler, R. Benson, T. Cleary |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2008-03-11 13:19:11 | Last modified: | 2023-04-28 11:01:10 |
| Access level: | the public | Released: | 2008-03-11 13:19:11 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 26682. | ETE | F. Zhang and Z. Zhou. 2004. Leg feathers in an Early Cretaceous bird. Nature 431:925 [M. Carrano/M. Carrano] |
Secondary references:
| 33194 | S.-C. Chang, H. Zhang, P. R. Renne and Y. Fang. 2009. High-precision 40Ar/39Ar age for the Jehol Biota. Palaeogeography, Palaeoclimatology, Palaeoecology 280:94-104 [R. Butler/R. Butler] | |
| 61334 | L. Dong, Y. Wang, and S. E. Evans. 2017. A new lizard (Reptilia: Squamata) from the Lower Cretaceous Yixian Formation of China, with a taxonomic revision of Yabeinosaurus. Cretaceous Research [P. Barrett/T. Cleary] | |
| 38069 | S. E. Evans, Y. Wang, and C. Li. 2005. The Early Cretaceous lizard genus Yabeinosaurus from China: resolving an enigma. Journal of Systematic Palaeontology 3(4):319-335 [R. Benson/R. Benson/R. Benson] | |
| 31362 | S.-A. Ji and Q. Ji. 1997. The first discovery of a pterosaur from western Liaoning Province (Eosipterus yangi gen. et sp. nov.). Acta Geologica Sinica 71(1):1-6 [R. Butler/R. Butler] | |
| 52405 | Q. Li, J. A. Clarke, K.-Q. Gao, C.-F. Zhou, Q. Meng, D. Li, L. D'Alba and M. D. Shawkey. 2014. Melanosome evolution indicates a key physiological shift within feathered dinosaurs. Nature 507:350-353 [M. Carrano/M. Carrano] | |
| 31324 | J. Lü, S. Ji, C. Yuan, Y. Gao, Z. Sun and Q. Ji. 2006. New pterodactyloid pterosaur from the Lower Cretaceous Yixian Formation of Western Liaoning. In J. Lü, Y. Kobayashi, D. Huang, Y.-N. Lee (eds.), Papers from the 2005 Heyuan International Dinosaur Symposium. Geological Publishing House, Beijing 195-203 [R. Butler/R. Butler] | |
| 38028 | J. Lü, Q. Ji, X. Wei and Y. Liu. 2012. A new ctenochasmatoid pterosaur from the Early Cretaceous Yixian Formation of western Liaoning, China. Cretaceous Research 34(1):26-30 [R. Butler/R. Butler/R. Butler] | |
| 26686 | ETE | X. Wang and Z. Zhou. 2004. Pterosaur embryo from the Early Cretaceous. Nature 429:621 [M. Carrano/M. Carrano] |