Choshi Area, Choshi Formation, Honshu: Albian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Cardiida - Cardiidae
Bivalvia - Pholadida - Corbulidae
Bivalvia - Carditida - Astartidae
Bivalvia - Limida - Limidae
Bivalvia - Ostreida - Bakevelliidae
Bivalvia - Ostreida - Arctostreidae
Bivalvia - Ostreida - Gryphaeidae
Bivalvia - Arcida - Parallelodontidae
Bivalvia - Arcida - Cucullaeidae
see common names

Geography
Country:Japan State/province:Chiba
Coordinates: 35.7° North, 140.8° East (view map)
Paleocoordinates:41.3° North, 151.5° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period: Cretaceous Epoch: Early Cretaceous
Stage: Albian 10 m.y. bin: Cretaceous 4
Key time interval: Albian
Age range of interval: 113.2 - 100.5 m.y. ago
Stratigraphy
Formation:Choshi
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:39581
Authorizer:M. Aberhan Enterer:S. Nurnberg
Modifier:S. Nurnberg Research group:marine invertebrate
Created:2004-05-31 07:28:20 Last modified:2025-02-22 15:12:02
Access level:the public Released:2004-05-31 07:28:20
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]