Goshoura Island (Loc.2906): Early Cenomanian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Ostreida - Ostreidae
Bivalvia - Carditida - Crassatellidae
Bivalvia - Trigoniida - Megatrigoniidae
Bivalvia - Venerida - Veneridae
unclassified
see common names

Geography
Country:Japan
Coordinates: 32.3° North, 130.3° East (view map)
Paleocoordinates:36.9° North, 138.1° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Cenomanian 10 m.y. bin: Cretaceous 5
Key time interval: Early Cenomanian
Age range of interval: 100.5 - 93.9 m.y. ago
Stratigraphy
Geological group:Goshoura Formation:Enokuchi Member:Gannohana
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:hummocky CS,coarse lithified sandstone
Secondary lithology: lithified gravel
Lithology description: Contrarily, grav- elly and coarse-grained sandstone are exposed in the island’s northern parts (Locs. 2903–2909)
Environment:shoreface
Taphonomy
Modes of preservation:body,cast
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:paleoecologic analysis
Metadata
Database number:122342
Authorizer:M. Aberhan Enterer:D. Wellmanns
Research group:marine invertebrate
Created:2011-12-21 22:52:13 Last modified:2025-02-22 15:12:02
Access level:authorizer only Released:2016-12-21 22:52:13
Creative Commons license:CC0
Reference information

Primary reference:
38682. T. Komatsu and H. Maeda. 2005. Stratigraphy and fossil bivalve assemblages of the mid-Cretaceous Goshoura Group, southwest Japan. Paleontological Research 9(2):119-142 [M. Aberhan/D. Wellmanns]