Nakamata Creek, Kotanbetsu area: Early Cenomanian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
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Naefia matsumotoi
Hirano 1991
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Geography
| Country: | Japan |
| Coordinates: | 44.3° North, 142.1° East (view map) |
| Paleocoordinates: | 50.6° North, 147.0° East (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Cenomanian | 10 m.y. bin: | Cretaceous 5 |
| Key time interval: | Early Cenomanian | Ammonoid zone: | Sounnaites alaskaensis |
| Age range of interval: | 100.5 - 93.9 m.y. ago |
Lithology and environment
| Primary lithology: | lithified "siliciclastic" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 212916 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2020-08-22 23:16:35 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2020-08-22 23:16:35 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 73521. | D. Fuchs and K. Tanabe. 2010. Re-investigation of the shell morphology and ultrastructure of the Late Cretaceous spirulid coleoid Naefia matsumotoi. In K. Tanabe, Y. Shigeta, T. Sasaki, H. Hirano (eds.), Cephalopods - Past and Present 195-207 [M. Clapham/M. Clapham] |