Well-preserved Protosephurus liui locality: Late/Upper Barremian - Early/Lower Aptian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Acipenseriformes
- Polyodontidae
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Protopsephurus liui
Lu 1994
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| see common names | |||||||
Geography
| Country: | China | State/province: | Liaoning | County: | Chaoyang |
| Coordinates: | 41.2° North, 119.4° East (view map) | ||||
| Paleocoordinates: | 43.7° North, 121.3° East | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | local area |
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: | Dawangzhangzi |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | brown,gray "siliciclastic" |
| Includes fossils? | Y |
| Environment: | fluvial indet. |
| Geology comments: Intercalated with volcanic beds | |
Taphonomy
| Modes of preservation: | adpression |
| Degree of concentration: | dispersed |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
Collection methods and comments
| Collection methods: | selective quarrying,hydrochloric,survey of museum collection |
| Collection size: | 17 specimens |
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:Repository: Kitakyushu Museum and Institute of National History, Department of Vertebrate Paleontology, Kitakyushu, Japan (KMNH) | |
Metadata
| Database number: | 134420 | ||
| Authorizer: | S. Peters | Enterer: | S. McMullen |
| Modifier: | M. Carrano | Research group: | freshwater,vertebrate |
| Created: | 2012-10-08 13:23:18 | Last modified: | 2023-04-28 11:12:43 |
| Access level: | the public | Released: | 2012-10-08 13:23:18 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 43221. | L. Grande, F. Jin, Y. Yabumoto and W. E. Bemis. 2002. Protopsephurus liui, a Well-Preserved Primitive Paddlefish (Acipenseriformes: Polyodontidae) from the Lower Cretaceous of China. Journal of Vertebrate Paleontology 22(2):209-237 [S. Peters/S. McMullen/M. Uhen] |