Y410, Kaneobetsu River: Middle Turonian, Japan
collected by Y. Kawashita
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Collignoniceratidae
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Collignoniceras bravaisianum
(d'Orbigny 1841)
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| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 43.0° North, 142.1° East (view map) |
| Paleocoordinates: | 50.7° North, 142.4° East (Wright 2013) |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Turonian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Middle Turonian | Inoceramid zone: | Inoceramus hobetsensis |
| Age range of interval: | 93.9 - 89.8 m.y. ago |
Stratigraphy
| Geological group: | Yezo | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Upper Inoceramus hobetsensis zone, upper Middle Turonian to lower Upper Turonian. Middle Turonian on column in Futakami (1986). | |||||
Lithology and environment
| Primary lithology: | lithified "siliciclastic" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | cast,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collectors: | Y. Kawashita |
Metadata
| Database number: | 198671 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2019-01-04 23:17:48 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2019-01-04 23:17:48 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 67686. | M. Futakami. 1990. Turonian collignoniceratid ammonites from Hokkaido - stratigraphy and paleontology of the Cretaceous in the Ishikari province, central Hokkaido, part 3. Journal of Kawamura Gakuen Woman's University 1:235-280 [M. Clapham/M. Clapham] |