Yasukawa: Campanian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Lucinida - Thyasiridae
Thyasira tanabei Kiel et al. 2008
29 specimens
Bivalvia - Protobranchia - Nuculidae
3 specimens
27 specimens
Bivalvia - Protobranchia - Nucinellidae
6 specimens
Bivalvia - Protobranchia - Solemyidae
10 specimens
see common names

Geography
Country:Japan State/province:Hokkaido
Coordinates: 44.7° North, 142.0° East (view map)
Paleocoordinates:52.7° North, 130.7° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Campanian 10 m.y. bin: Cretaceous 7
Key time interval: Campanian
Age range of interval: 83.6 - 72.2 m.y. ago
Stratigraphy
Geological group:Yezo
Lithology and environment
Primary lithology: lithified cherty/siliceous "carbonate"
Lithology description: Several carbonate bodies that are less than 2 m wide
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:117147
Authorizer:M. Aberhan Enterer:D. Wellmanns
Research group:marine invertebrate
Created:2011-09-15 21:18:01 Last modified:2025-02-22 15:12:02
Access level:authorizer only Released:2016-09-15 21:18:01
Creative Commons license:CC0
Reference information

Primary reference:
37609. S. Kiel, K. Amano, and R. G. Jenkins. 2008. Bivalves from Cretaceous cold-seep deposits on Hokkaido, Japan. Acta Palaeontologica Polonica 53(3):525-537 [M. Aberhan/D. Wellmanns/S. Nurnberg]