Sichakou: Hauterivian - Barremian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Confuciusornithiformes
- Confuciusornithidae
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Eoconfuciusornis zhengi n. gen., n. sp.
Zhang et al. 2008
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| see common names | |||||||
Geography
| Country: | China | State/province: | Hebei | County: | Fengning |
| Coordinates: | 41.7° North, 116.4° East (view map) | ||||
| Paleocoordinates: | 40.8° North, 124.0° East (Wright 2013) | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| Stage: | Hauterivian - Barremian | 10 m.y. bin: | Cretaceous 2 |
| Key time interval: | Hauterivian - Barremian | ||
| Age range of interval: | 132.6 - 121.4 m.y. ago |
Stratigraphy
| Formation: | Dabeigou | ||||
| Stratigraphy comments: "Early Cretaceous... about 131 Ma ago" (i.e., Hauterivian or possibly Barremian) |
Lithology and environment
| Primary lithology: | lithified "siliciclastic" |
| Includes fossils? | Y |
| Lithology description: The Dabeigou Formation comprises lacustrine tuffaceous shales and mudstones, much like the Yixian and Jiufotang formations in western Liaoning Province (Zhongue, 2006). | |
| Environment: | lacustrine indet. |
| Geology comments: "lacustrine" | |
Taphonomy
| Modes of preservation: | body,adpression,soft parts |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | IVPP |
Metadata
| Database number: | 85261 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2008-12-08 16:31:52 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2008-12-08 16:31:52 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 28705. | Z. Zhang, Z. Zhou, and M. J. Benton. 2008. A primitive confuciusornithid bird from China and its implications for early avian flight. Science in China Series D: Earth Sciences 51(5):625-639 [J. Alroy/J. Alroy] |
Secondary references:
| 77947 | M. Wang, J. O'Connor, and Z.-H. Zhou. 2019. A taxonomical revision of the Confuciusornithiformes (Aves: Pygostylia). Vertebrata PalAsiatica 57(1):1-37 [E. Dunne/E. Dunne/M. Carrano] |