Kesennuma Area, Isokusa Formation, Honshu: Berriasian, Japan

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

Geography
Country:Japan State/province:Miyagi
Coordinates: 38.9° North, 141.6° East (view map)
Paleocoordinates:56.8° North, 146.4° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period: Cretaceous Epoch: Early Cretaceous
Stage: Berriasian 10 m.y. bin: Cretaceous 1
Key time interval: Berriasian
Age range of interval: 143.1 - 137.05 m.y. ago
Stratigraphy
Formation:Isokusa
Stratigraphic resolution:formation
Lithology and environment
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:40161
Authorizer:M. Aberhan Enterer:S. Nurnberg
Modifier:S. Nurnberg Research group:marine invertebrate
Created:2004-06-19 01:52:48 Last modified:2025-02-22 15:12:02
Access level:the public Released:2004-06-19 01:52:48
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]