Shidaka S-1, Maizuru City, Kyoto Prefecture: Spathian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Protobranchia
- Nuculanidae
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Nuculana sp.
Link 1807
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Bivalvia
- Ostreida
- Bakevelliidae
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Bivalvia
- Trigoniida
- Myophoriidae
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Neoschizodus cf. laevigatus
(Ziethen 1830)
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| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 35.4° North, 135.3° East (view map) |
| Paleocoordinates: | 4.3° North, 132.8° East (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Triassic | Epoch: | Early Triassic |
| Stage: | Olenekian | 10 m.y. bin: | Triassic 1 |
| Key time interval: | Spathian | ||
| Age range of interval: | 248.6 - 247 m.y. ago |
Stratigraphy
| Formation: | Shidaka | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Top of the lower Triassic? | |||||
Lithology and environment
| Primary lithology: | very coarse lithified sandstone |
| Environment: | deltaic indet. |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 115389 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2011-09-01 14:42:59 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2011-09-01 14:42:59 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 33625. | K. Nakazawa. 1959. Permian and Eo-Triassic Bakevellias from the Maizuru Zone, southwest Japan. Memoirs of the College of Science, University of Kyoto, Series B 26:193-213 [M. Clapham/M. Clapham] |