Goshoura Island (Loc.1606): Cenomanian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Ostreida - Malleidae
Isognomon sp. Lightfoot 1786
Bivalvia - Ostreida - Ostreidae
Bivalvia - Ostreida - Placunopsidae
Placunopsis sp. Morris and Lycett 1853
Bivalvia - Arcida - Arcidae
Bivalvia - Pectinida - Anomiidae
Bivalvia - Mytilida - Mytilidae
Bivalvia - Trigoniida - Trigonioididae
Trigonioides sp. Kobayashi and Suzuki 1936
Bivalvia - Trigoniida - Megatrigoniidae
Pterotrigonia sp. van Hoepen 1929
Bivalvia - Pholadida - Corbulidae
Bivalvia - Venerida - Corbiculidae
Bivalvia - Venerida - Neomiodontidae
Bivalvia - Cardiida - Tellinidae
Bivalvia - Cardiida - Cardiidae
Bivalvia - Adapedonta - Pharidae
Leptosolen sp. Conrad 1865
Bivalvia - Adapedonta - Solenidae
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: Cenomanian
Age range of interval: 100.5 - 93.9 m.y. ago
Stratigraphy
Geological group:Goshoura Formation:Eboshi Member:Arakuchizaki
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:bioturbation lithified muddy sandstone
Secondary lithology: lithified sandy mudstone
Lithology description: Assemblage is composed mainly of brackish-water bivalves, and is found in intensely bioturbated muddy sandstone and sandy mudstone of tidal flat deposits.
Environment:coastal indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:paleoecologic analysis
Metadata
Database number:123154
Authorizer:M. Aberhan Enterer:D. Wellmanns
Modifier:D. Wellmanns Research group:marine invertebrate
Created:2012-01-12 23:11:12 Last modified:2025-02-22 15:12:02
Access level:authorizer only Released:2017-01-12 23:11:12
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]