Western coast at Iwajima: Middle Eocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes - Esthonychidae
cf. Trogosus sp. Leidy 1871
NSM-PV 20121
see common names

Geography
Country:Japan County:Kumamoto
Coordinates: 30.6° North, 130.4° East (view map)
Paleocoordinates:
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period: Paleogene Epoch: Eocene
10 m.y. bin: Cenozoic 2-3
Key time interval: Middle Eocene
Age range of interval: 48.07 - 37.71 m.y. ago
Stratigraphy
Formation:Akasaki
Stratigraphic resolution:bed
Stratigraphy comments: Upper part of Akasaki Formation; early Middle Eocene; 2 m below the base of the Shiratake Formation, which conformably overlies the Akasaki Formation
Lithology and environment
Primary lithology:red siltstone
Includes fossils?Y
Lithology description: red siltstone
Environment:fluvial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Also known as:Ohyanomachi
Database number:179617
Authorizer:P. Mannion Enterer:P. Mannion
Research group:vertebrate
Created:2016-06-22 04:43:06 Last modified:2025-02-22 15:12:02
Access level:the public Released:2016-06-22 04:43:06
Creative Commons license:CC0
Reference information

Primary reference:

59495. K. Miyata and Y. Tomida. 1998. Trogosus-like tillodont (Tillodontia, Mammalia) from the early Middle Eocene of Japan. Paleontological Research 2(3):193-198 [P. Mannion/P. Mannion]