Monobegawa Area, Torinosu Group, Shikoku: Oxfordian - Tithonian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Trigoniida - Trigoniidae
see common names

Geography
Country:Japan State/province:Kochi
Coordinates: 33.5° North, 133.7° East (view map)
Paleocoordinates:51.9° North, 143.5° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period: Jurassic Epoch: Late Jurassic
Stage: Oxfordian - Tithonian 10 m.y. bin: Jurassic 5 - Jurassic 6
Key time interval: Oxfordian - Tithonian
Age range of interval: 161.5 - 143.1 m.y. ago
Stratigraphy
Geological group:Torinosu
Stratigraphic resolution:formation
Lithology and environment
Primary lithology: "shale"
Secondary lithology: sandstone
Environment:marine indet.
Taphonomy
Modes of preservation:cast,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:40220
Authorizer:M. Aberhan Enterer:S. Nurnberg
Modifier:S. Nurnberg Research group:marine invertebrate
Created:2004-06-20 05:26:18 Last modified:2025-02-22 15:12:02
Access level:the public Released:2004-06-20 05:26:18
Creative Commons license:CC0
Reference information

Primary reference:

10664. I. Hayami. 1975. A systematic survey of the Mesozoic Bivalvia from Japan. The University Museum, The University of Tokyo, Bulletin (10) [M. Aberhan/S. Nurnberg/S. Nurnberg]