Ichibangawa River: Tortonian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Carnivora
- Odobenidae
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Pseudotaria muramotoi n. gen., n. sp.
Kohno 2006
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2 specimens | ||||||
see common names |
Geography
Country: | Japan | State/province: | Hokkaido | County: | Ishikari-gun |
Coordinates: | 43.4° North, 141.6° East (view map) | ||||
Paleocoordinates: | 43.8° North, 140.3° East | ||||
Basis of coordinate: | stated in text |
Time
Period: | Neogene | Epoch: | Miocene |
Stage: | Tortonian | 10 m.y. bin: | Cenozoic 6 |
Key time interval: | Tortonian | ||
Age range of interval: | 11.62000 - 7.24600 m.y. ago |
Stratigraphy
Formation: | Ichibangawa | ||||
Stratigraphy comments: late middle to early late Miocene, approximately 12 to 10 Ma
age after Magallanes et al., 2018 |
Lithology and environment
Primary lithology: | coarse,green lithified sandstone |
Lithology description: weathered, dark green, coarse-grained, massive hard sandstone | |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body,original phosphate |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | taxonomic analysis |
Metadata
Database number: | 61742 | ||
Authorizer: | M. Uhen | Enterer: | M. Uhen |
Modifier: | M. Uhen | Research group: | vertebrate |
Created: | 2006-06-27 08:26:57 | Last modified: | 2018-10-13 11:53:08 |
Access level: | the public | Released: | 2006-06-27 08:26:57 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
17795. | N. Kohno. 2006. A new Miocene odobenid (Mammalia: Carnivora) from Hokkaido, Japan, and its implications for odobenid phylogeny. Journal of Vertebrate Paleontology 26(2):411-421 [M. Uhen/M. Uhen] |
Secondary references:
40896 | I. Magallanes, J. F. Parham, G.-P. Santos and J. Velez-Juarbe. 2018. A new tuskless walrus from the Miocene of Orange County, California, with comments on the diversity and taxonomy of odobenids. PeerJ 6:e5708 [M. Uhen/M. Shalap/M. Uhen] | |
56049 | Y. Tanaka and N. Kohno. 2015. A New Late Miocene Odobenid (Mammalia: Carnivora) from Hokkaido, Japan Suggests Rapid Diversification of Basal Miocene Odobenids. PLoS One [M. Uhen/M. Uhen] |