Takibe Area, Inakura Formation, Honshu: Early Cretaceous, Japan

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

Geography
Country:Japan State/province:Yamaguchi
Coordinates: 34.3° North, 130.9° East (view map)
Paleocoordinates:41.2° North, 140.4° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period: Cretaceous Epoch: Early Cretaceous
10 m.y. bin: Cretaceous 1-4
Key time interval: Early Cretaceous
Age range of interval: 143.1 - 100.5 m.y. ago
Stratigraphy
Geological group:Kwanmon Formation:Inakura
Stratigraphic resolution:formation
Stratigraphy comments: Lower Cretaceous (prec. unknown)
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:40651
Authorizer:M. Aberhan Enterer:S. Nurnberg
Modifier:S. Nurnberg Research group:marine invertebrate
Created:2004-06-26 10:05:12 Last modified:2025-02-22 15:12:02
Access level:the public Released:2004-06-26 10:05:12
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]