Dajian of Wangjiazhai Village, Xijiadian Town: Early/Lower Eocene, China
collected by Li Chuankui, Yuan Wang and Wei Zhou
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Rodentia
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Exmus mini n. gen., n. sp.
Wible et al. 2005
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Wible et al. 2005 | |||||||||
| IVPP V7429 - type; referred specimen: IVPP V7430 | ||||||||||
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Advenimus hupeiensis n. sp.
Dawson et al. 1984
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Dawson et al. 1984 | |||||||||
| IVPP V5248 - type | ||||||||||
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Hohomys lii n. gen., n. sp.
Hu 1995
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| IVPP V10839 - type | ||||||||||
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Reptilia
- Varanidae
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Archaeovaranus lii n. gen., n. sp.
Dong et al. 2022
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Dong et al. 2022 | |||||||||
| Holotype: IVPP V 22770, a nearly complete skeleton with an intact skull and associated but mostly disarticulated postcranial elements | ||||||||||
| see common names | ||||||||||
Geography
| Country: | China | State/province: | Hubei | County: | Danjiangkou |
| Coordinates: | 32.6° North, 111.5° East (view map) | ||||
| Paleocoordinates: | 32.2° North, 104.6° East | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
| Key time interval: | Early/Lower Eocene | ||
| Age range of interval: | 56.00000 - 47.80000 m.y. ago |
Stratigraphy
| Formation: | Yuhuangding | Member: | middle | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Late early Eocene
Liguanqiao Basin. There is no absolute dating for the horizon, but the same hor- izon has yielded abundant mammal remains, including Rhombomylus turpanensis, Advenimus hupeiensis, Asiocoryphodon conicus and Danjiangia pingi, which suggests a late early Eocene age. | |||||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | IVPP |
| Collectors: | Li Chuankui, Yuan Wang and Wei Zhou |
Metadata
| Also known as: | Danjiangkou City; IVPP locality 76006 | ||
| Database number: | 175177 | ||
| Authorizer: | P. Mannion, J. Head | Enterer: | P. Mannion, G. Varnham |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Created: | 2015-12-04 10:01:44 | Last modified: | 2022-11-15 06:31:01 |
| Access level: | the public | Released: | 2015-12-04 10:01:44 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 57229. | Y. Hu. 1995. New late Early Eocene ctenodactyloid rodents (Rodentia, Mammalia) from Danjiangkou, Hubei. Vertebrata PalAsiatica 33(1):24-38 [P. Mannion/P. Mannion] |
Secondary references:
| 58164 | M. Dawson, C. K. Li, and T. Qi. 1984. Eocene ctenodactyloid rodents (Mammalia) of eastern and central Asia. Carnegie Museum of Natural History Special Publication 9:138-150 [P. Coster/P. Coster] | |
| 83104 | L. Dong, Y.–Q. Wang, Q. Zhao, D. Vasilyan, Y. Wang and S. E. Evans. 2022. A new stem-varanid lizard (Reptilia, Squamata) from the early Eocene of China. Philosophical Transactions of the Royal Society B 377(20210041) [J. Head/G. Varnham] | |
| 57354 | J. R. Wible, Y. Wang, C. Li and M. R. Dawson. 2005. Cranial anatomy and relationships of a new ctenodactyloid (Mammalia, Rodentia) from the early Eocene of Hubei Province, China. Annals of Carnegie Museum 74(2):91-150 [P. Mannion/P. Mannion] |