Asakawa River: Early Pleistocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes - Diomedeidae
Watanabe et al. 2020
Osteichthyes - Anseriformes - Anatidae
? Anatidae indet. Vigors 1825
Watanabe et al. 2020
Osteichthyes - Proboscidea - Elephantidae
Stegodon aurorae (Matsumoto 1918)
Osteichthyes - Carnivora
Osteichthyes - Carnivora - Otariidae
Zalophus sp. Gill 1866
Osteichthyes - Cetacea
Osteichthyes - Cervidae
see common names

Geography
Country:Japan
Coordinates: 35.6° North, 139.4° East (view map)
Paleocoordinates:35.6° North, 139.0° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period: Quaternary Epoch: Pleistocene
10 m.y. bin: Cenozoic 6
Key time interval: Early Pleistocene
Age range of interval: 2.58 - 0.774 m.y. ago
Stratigraphy
Formation:Hirayama
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: not reported
Environment:marine indet.
Taphonomy
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:79697
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:M. Uhen Research group:vertebrate
Created:2008-03-18 10:13:52 Last modified:2025-02-22 15:12:02
Access level:authorizer only Released:2009-03-18 10:13:52
Creative Commons license:CC0
Reference information

Primary reference:
28532. H. Taru and Y. Hasegawa. 2002. The Plio-Pleistocene fossil mammals from the Kasumi and Tama Hills. Memoirs of the National Science Museum, Tokyo 38:43-56 [M. Uhen/M. Uhen]

Secondary references:

71747 J. Watanabe, A. Koizumi, R. Nakagawa, K. Takahashi, T. Tanaka and H. Matsuoka. 2020. Seabirds (Aves) from the Pleistocene Kazusa and Shimosa groups, central Japan. Journal of Vertebrate Paleontology e1697277 [M. Uhen/M. Uhen]