Anden, Oga Peninsula: Middle Pleistocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Terebratulida - Terebrataliidae
Terebratalia coreanica (Adams and Reeve 1850)
Coptothyris grayi (Davidson 1852)
Rhynchonellata - Rhynchonellida - Hemithirididae
Hemithyris woodwardi (Adams 1863)
Hemithyris psittacea woodwardi
see common names

Geography
Country:Japan
Coordinates: 40.0° North, 139.8° East (view map)
Paleocoordinates:
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Quaternary Epoch: Pleistocene
Stage: Chibanian 10 m.y. bin: Cenozoic 6
Key time interval: Middle Pleistocene
Age range of interval: 0.774 - 0.129 m.y. ago
Stratigraphy
Formation:Shibikawa
Stratigraphic resolution:group of beds
Stratigraphy comments: Sibikawa beds (now Shibikawa Formation) is Middle Pleistocene age, c 0.41-0.25 Ma (Ozawa & Kamiya, 2005).
Lithology and environment
Primary lithology: poorly lithified sandstone
Environment:coastal indet.
Geology comments: "probably in a region not in the influence of strong wave action"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collection method comments: Repository: Institute of Geology and Paleontology, Tohoku University, Sendai (IGPS)
Metadata
Database number:190676
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2017-12-13 23:46:44 Last modified:2025-02-22 15:12:02
Access level:the public Released:2017-12-13 23:46:44
Creative Commons license:CC0
Reference information

Primary reference:
64049. K. M. Hatai. 1940. The Cenozoic Brachiopoda of Japan. Science Reports, Tohoku Imperial University, Series 2 20:1-413 [M. Clapham/M. Clapham]