Sendai: Early Pliocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes - Carnivora
Inawashiro 1987
Osteichthyes - Cetacea
Oishi and Hasegawa 1995 1 specimen
Osteichthyes - Cetacea - Balaenopteridae
Oishi and Hasegawa 1995 1 specimen
Osteichthyes - Cetacea
7 specimens
Oishi and Hasegawa 1995
Kimura and Hasegawa 2004
Osteichthyes - Cetacea - Delphinidae
1 specimen
see common names

Geography
Country:Japan
Coordinates: 38.3° North, 140.8° East (view map)
Paleocoordinates:38.2° North, 140.0° East (Wright 2013)
Basis of coordinate:estimated from map
Time
Period: Neogene Epoch: Pliocene
Stage: Zanclean 10 m.y. bin: Cenozoic 6
Key time interval: Early Pliocene
Age range of interval: 5.333 - 3.6 m.y. ago
Stratigraphy
Formation:Tatsunokuchi
Lithology and environment
Primary lithology: not reported
Environment:shallow subtidal indet.
Geology comments: open to shallow water (changed over time), warm water
Taphonomy
Modes of preservation:body,original phosphate
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:47462
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:B. Shipps Research group:vertebrate
Created:2005-02-25 14:46:55 Last modified:2025-02-22 15:12:02
Access level:database members Released:2005-05-25 14:46:55
Creative Commons license:CC0
Reference information

Primary reference:
12758. K. Hatai, S. Hayasaka, and K. Masuda. 1963. Some fossil tympanics from the Mizuho period of northern Japan. Saito Ho-on Kai Museum Research Bulletin 32:5-14 [M. Uhen/M. Uhen/M. Uhen]

Secondary references:

27021 O. Inawashiro. 1987. Fossil of Otarioidea from the Tatsunokuchi Formation (lower Pliocene) of Sendai City, Miyagi Prefecture. Chikyu Kagaku 41(2):242-243 [M. Uhen/M. Uhen]
15356 T. Kimura and Y. Hasegawa. 2004. An outline of the Miocene cetotheres of Japan. Bulletin of the Gunma Museum of Natural History 8:79-88 [M. Uhen/M. Uhen]
18816 N. Kohno and Y. Takaizumi. 1992. The first record of the halitheriine dugongid (Sirenia: Dugongiade) in the western North Pacific Ocean. Fossils 53:1-6 [M. Uhen/M. Uhen]
12148 M. Oishi and Y. Hasegawa. 1995. A list of fossil cetaceans in Japan. The Island Arc 3:493-505 [M. Uhen/M. Uhen/M. Uhen]
15571 M. Oishi and Y. Hasegawa. 1995. Diversity of Pliocene mysticetes from eastern Japan. The Island Arc 3:436-452 [M. Uhen/M. Uhen]