Loc. E45 - Wembets-Rubeshbe, Teshio [Yezo Gp]: Campanian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Pachydiscidae
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Anapachydiscus fascicostatus
(Yabe 1921)
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Cephalopoda
- Ammonitida
- Tetragonitidae
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Cephalopoda
- Ammonitida
- Placenticeratidae
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Metaplacenticeras subtilistriatum
(Jimbo 1894)
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| see common names | |||||||
Geography
| Country: | Japan | County: | Hokkaido |
| Coordinates: | 44.5° North, 142.0° East (view map) | ||
| Paleocoordinates: | 52.5° North, 130.8° East (Wright 2013) | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Campanian | ||
| Age range of interval: | 83.6 - 72.2 m.y. ago |
Stratigraphy
| Geological group: | Yezo | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From "Member Y" of the Yezo Gp. AGE: Campanian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From near middle of regional section. | |||||
Lithology and environment
| Primary lithology: | lithified silty sandstone |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Massive, dark colored, silty sandstone or sandy siltstone. LITHIFICATION: Lithified, on the basis of figured specimens. | |
| Environment: | marine indet. |
| Geology comments: ENVIRONMENT: Not stated in text, but presumably a shallow siliciclastic setting. | |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: COLLECTOR: Not stated, but presumably the author T. Matsumoto. REPOSITORY: Dept. of Geology, Kyushu University, Japan. | |
| Taxonomic list comments:COVERAGE: Limited to ammonites described in text. NOMENCLATURE: Authoritative publication, with modern nomenclature and species-resolution identifications. | |
Metadata
| Database number: | 87025 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2009-03-01 07:11:10 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2009-03-01 07:11:10 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 29280. | T. Matsumoto. 1984. Part I. Ammonites from the Upper Campanian of the Teshio Mountains. Palaeontological Society of Japan Special Papers 27:5-32 [A. Hendy/A. Hendy/A. Hendy] |