Ichibangawa River: Tortonian, Japan

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Carnivora - Odobenidae
Pseudotaria muramotoi n. gen., n. sp. Kohno 2006
2 specimens
see common names

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
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 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.
Modes of preservation:body,original phosphate
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
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]