Ogatsu: Spathian, Japan
collected 1982
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Utatsusauridae
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Utatsusaurus hataii
Shikama and Kamei 1978
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| see common names | |||||||
Geography
| Country: | Japan | State/province: | Miyagi |
| Coordinates: | 38.5° North, 141.5° East (view map) | ||
| Paleocoordinates: | 38.2° North, 118.6° East | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | small collection |
Time
| Period: | Triassic | Epoch: | Early/Lower Triassic |
| Stage: | Olenekian | 10 m.y. bin: | Triassic 1 |
| Key time interval: | Spathian | ||
| Age range of interval: | 248.90000 - 247.20000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | lithified not reported |
| Lithology description: definitely lithified based on preservation of specimens | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body,adpression |
| Size of fossils: | macrofossils |
| Articulated whole bodies: | some |
Collection methods and comments
| Collection methods: | survey of museum collection |
| Reason for describing collection: | taxonomic analysis | Collection dates: | 1982 |
| Collection method comments: Hokkaido University collection | |
Metadata
| Database number: | 90374 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | J. Tennant | Research group: | vertebrate |
| Created: | 2009-07-17 17:01:43 | Last modified: | 2013-05-06 07:09:48 |
| Access level: | the public | Released: | 2009-07-17 17:01:43 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 30360. | R. Motani, N. Minoura, and T. Ando. 1998. Ichthyosaurian relationships illuminated by new primitive skeletons from Japan. Nature 393:255-257 [J. Alroy/J. Alroy] |
Secondary references:
| 46676 | P. M. Sander. 2000. Ichthyosauria: their diversity, distribution and phylogeny. Palaeontologische Zeitschrift 74(1/2):1-35 [P. Mannion/J. Tennant] |