SD04, Sada Limestone: Campanian - Maastrichtian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Hokkaidoconchidae
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| Kaim et al. 2014 | |||||||
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Gastropoda
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| 4 specimens | |||||||
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Bivalvia
- Lucinida
- Thyasiridae
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| see common names | |||||||
Geography
| Country: | Japan | State/province: | Kochi |
| Coordinates: | 33.0° North, 132.9° East (view map) | ||
| Paleocoordinates: | 38.9° North, 126.6° East (Wright 2013) | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Campanian - Maastrichtian | 10 m.y. bin: | Cretaceous 7 - Cretaceous 8 |
| Key time interval: | Campanian - Maastrichtian | ||
| Age range of interval: | 83.6 - 66 m.y. ago |
Stratigraphy
| Geological group: | Shimantogawa | Formation: | Nakamura |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Environment: | slope |
| Geology comments: Cold seep in turbidite deposits | |
Taphonomy
| Modes of preservation: | body,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 183420 | ||
| Authorizer: | W. Kiessling, J. Marcot | Enterer: | M. Krause, J. Marcot |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2016-12-20 09:31:42 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2016-12-20 09:31:42 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 61247. | T. Nobuhara, D. Onda, T. Sato, H. Aosawa, T. Ishimura, A. Ijiri, U. Tsunogai, N. Kikuchi, Y. Kondo and S. Kiel. 2016. Mass occurrence of the enigmatic gastropod Elmira in the Late Cretaceous Sada Limestone seep deposit in southwestern Shikoku, Japan. Palaeontologische Zeitschrift 90:701-722 [W. Kiessling/M. Krause/M. Clapham] |
Secondary references:
| 58808 | A. Kaim, R. G. Jenkins, K. Tanabe and S. Kiel. 2014. Mollusks from late Mesozoic seep deposits, chiefly in California. Zootaxa 3861(5):401-440 [P. Wagner/P. Wagner] |