Ichikawa: Holocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes - Cetacea - Eschrichtiidae
1 specimen
Oishi and Hasegawa 1995
    = Eschrichtius robustus Lilljeborg 1861
Tanaka and Taruno 2025
see common names

Geography
Country:Japan State/province:Chiba
Coordinates: 35.7° North, 139.4° East (view map)
Paleocoordinates:
Basis of coordinate:estimated from map
Time
Period: Quaternary Epoch: Holocene
10 m.y. bin: Cenozoic 6
Key time interval: Holocene
Age range of interval: 0.0117 - 0 m.y. ago
Age estimate: 6260 ± 150 YBP (14C)
Stratigraphy
Formation:Ichikawa shell bed
Lithology and environment
Primary lithology: not reported
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:76016
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:M. Uhen Research group:vertebrate
Created:2007-11-08 14:13:43 Last modified:2025-05-07 08:38:17
Access level:the public Released:2007-11-08 14:13:43
Creative Commons license:CC0
Reference information

Primary reference:

92002. H. Omura. 1982. A whale of Ichikawa. Geiken Tsushin 345:19-25 [M. Uhen/M. Uhen]

Secondary references:

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]
91906 Y. Tanaka and H. Taruno. 2025. Two new materials of whale remains from the Holocene (Quaternary) of Osaka, Japan: Filling the age of lacking reports on Holocene baleen whales from Japan. Mammal Study 50(3) [M. Uhen/M. Uhen/M. Uhen]