Hirono: Pliocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes - Carnivora - Otariidae
4 specimens
1 specimen
Chondrichthyes - Lamniformes - Lamnidae
Isurus oxyrinchus Rafinesque 1810
Kuga 1985
see common names

Geography
Country:Japan
Coordinates: 37.2° North, 141.0° East (view map)
Paleocoordinates:37.0° North, 140.2° East (Wright 2013)
Time
Period: Neogene Epoch: Pliocene
10 m.y. bin: Cenozoic 6
Key time interval: Pliocene
Age range of interval: 5.333 - 2.58 m.y. ago
Stratigraphy
Formation:Tomioka
Stratigraphic resolution:formation
Lithology and environment
Primary lithology:coarse sandstone
Includes fossils?Y
Environment:coastal indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Also known as:Hirono-cho
Database number:101859
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:M. Uhen Research group:vertebrate
Created:2011-01-04 07:51:45 Last modified:2025-02-22 15:12:02
Access level:the public Released:2011-01-04 07:51:45
Creative Commons license:CC0
Reference information

Primary reference:
34626. K. Hirota and N. Kuga. 1985. Pliocene otariids from the so-called Taga Group, Japan. The Association for the Geological Collaboration in Japan Monograph 30:67-73 [M. Uhen/M. Uhen/M. Uhen]

Secondary references:

77037 N. Kohno. 1996. Pliocene otariid pinnipeds from the eastern side of the Abukuma Mountain Area, Northern Honshu, Japan. Memoirs of the National Science Museum, Tokyo 29(12):61-70 [M. Uhen/M. Uhen]
61545 N. Kuga. 1985. Revision of Neogene Mackerel Shark of Genus Isurus from Japan. Memoirs of the Faculty of Sciencem Kyoto University, Series of Geology & Mineralogy 51(1&2):1-20 [M. Uhen/B. Shipps/M. Uhen]