Locality 1 - Shobara City (Bihoku Gp): Middle Miocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Venerida
f category
Gastropoda - Trochidae
Tectus japonicus Horikoshi 1958
f category
Gastropoda - Turbinidae
f category
Gastropoda - Heterostropha - Architectonicidae
r category
Gastropoda - Cerithiidae
Ochetoclava sp. Woodring 1928
r category
Gastropoda - Potamididae
Terebralia sp. Swainson 1840
c category
r category
Gastropoda - Xenophoridae
f category
Gastropoda - Neogastropoda - Melongenidae
r category
Gastropoda - Naticidae
Sinum yabei Otuka 1934
r category
Euspira meisensis (Makiyama 1926)
r category
Gastropoda - Ampullinidae
Cernina nakamurai (Otuka 1938)
c category
Gastropoda - Neritidae
r category
Scaphopoda - Dentaliida - Dentaliidae
Fissidentalium sp. (Fischer 1885)
r category
Bivalvia - Cardiida - Cardiidae
c category
Bivalvia - Venerida - Veneridae
va category
f category
Bivalvia - Venerida - Cardiliidae
r category
Bivalvia - Lucinida - Lucinidae
r category
Bivalvia - Mytilida - Mytilidae
f category
Bivalvia - Ostreida - Ostreidae
r category
c category
Bivalvia - Ostreida - Pinnidae
Atrina sp. Gray 1842
r category
see common names

Geography
Country:Japan State/province:Hiroshima
Coordinates: 34.9° North, 133.0° East (view map)
Paleocoordinates:34.4° North, 130.8° East (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Neogene Epoch: Miocene
10 m.y. bin: Cenozoic 5
Key time interval: Middle Miocene
Age range of interval: 15.98 - 11.63 m.y. ago
Stratigraphy
Geological group:Bihoku Formation:Lower Sandstone
Local section:Nakabara
Regional section:Shobara City
Stratigraphic resolution:bed
Stratigraphy comments: Sandstone of 80 cm thickness.
Lithology and environment
Primary lithology:fine sandstone
Includes fossils?Y
Lithology description: Fine grained sandstone
Environment:coastal indet.
Geology comments: No environmental data reported.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:selective quarrying,field collection,survey of museum collection
Reason for describing collection:taxonomic analysis
Collection method comments: Some material reposited in the Mizunami Fossil Museum
Taxonomic list comments:Exhaustive for these localities and high quality nomenclature. Abundance classification: va, very abundant; a, abundant; c, common; f, frequent; r, rare.
Metadata
Database number:51422
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2005-06-04 09:52:58 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-06-04 09:52:58
Creative Commons license:CC0
Reference information

Primary reference:
13681. K. Oyama, H. Nishimoto, and A. Naruse. 1994. New fossil molluscs indicating tropical sea elements from the miocene Bihoku Group, southwest Honshu, Japan: Part 2 Description of Cancilla hirosei n. sp., with notes on some molluscs from the Bihoku Group of Shobara City, Hiroshima Prefecture. Bulletin of the Mizunami Fossil Museum 21:19-28 [A. Miller/A. Hendy/A. Hendy]