Dogama: Langhian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Polycystinea - Spumellaria
Osteichthyes - Carnivora - Desmatophocidae
Kohno 1996
Osteichthyes - Cetacea - Ziphiidae
1 specimen
Kawatani and Kohno 2020
Uhen 2500
cf. Berardius or Tasmacetus as per James G. Mead
Osteichthyes - Cetacea - Delphinidae
Oishi and Hasegawa 1995 1 specimen
unclassified
see common names

Geography
Country:Japan
Coordinates: 37.8° North, 138.3° East (view map)
Paleocoordinates:37.6° North, 135.7° East (Wright 2013)
Time
Period: Neogene Epoch: Miocene
Stage: Langhian 10 m.y. bin: Cenozoic 5
Key time interval: Langhian
Age range of interval: 15.98 - 13.82 m.y. ago
Stratigraphy
Formation:Tsurushi
Stratigraphy comments: early Middle, N10-N11 of Blow.
Lithology and environment
Primary lithology: "carbonate"
Includes fossils?Y
Lithology description: calcareous nodule
Environment:marginal marine indet.
Taphonomy
Modes of preservation:body,original phosphate
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Also known as:Sohama beach, Ogi
Database number:56305
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:M. Uhen Research group:vertebrate
Created:2005-11-16 12:54:21 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-11-16 12:54:21
Creative Commons license:CC0
Reference information

Primary reference:

15168. K. Takahashi, M. Nomura, and I. Kobayashi. 1989. A fossil cetacean skull (Berardius sp. indet.) from Dogama, Ogi-machi, Sado Island, Central Japan. Chikyu Kagaku 43(2):102-105 [M. Uhen/M. Uhen]

Secondary references:

74095 A. Kawatani and N. Kohno. 2020. Recognition of the deep-diving cetacean fauna from the Middle Miocene of the Western North Pacific. SVP Abstracts [M. Uhen/M. Uhen]
34660 N. Kohno. 1996. Miocene pinniped Allodesmus (Mammalia: Carnivora); with special reference to the "Mito seal" from Ibaraki Prefecture, Central Japan. Transactions and Proceedings of the Palaeontological Society of Japan, New Series 181:388-404 [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]