Shimonoseki Area, Yoshimo Formation, Honshu: Berriasian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Venerida - Corbiculidae
Bivalvia - Venerida - Neomiodontidae
Bivalvia - Pholadida - Corbulidae
Bivalvia - Ostreida - Ostreidae
Bivalvia - Ostreida - Bakevelliidae
see common names

Geography
Country:Japan State/province:Yamaguchi
Coordinates: 34.0° North, 130.9° East (view map)
Paleocoordinates:46.8° North, 136.4° 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
Geological group:Toyonishi Formation:Yoshimo
Stratigraphic resolution:formation
Stratigraphy comments: Lower Neocomian, Yoshimo Shell Beds
Lithology and environment
Primary lithology: conglomerate
Secondary lithology: sandstone
Environment:deltaic 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:40511
Authorizer:M. Aberhan Enterer:S. Nurnberg
Modifier:P. Wagner Research group:marine invertebrate
Subset of collection #:40510
Created:2004-06-24 10:55:02 Last modified:2025-05-25 17:29:12
Access level:the public Released:2004-06-24 10:55:02
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]