Locality 2 - Shobara City (Bihoku Gp): Middle Miocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Protobranchia - Nuculanidae
f category
Bivalvia - Venerida
r category
Bivalvia - Protobranchia - Nuculidae
Acila (Acila) sp. Adams and Adams 1858
f category
Bivalvia - Adapedonta - Hiatellidae
r category
Bivalvia - Lucinida - Lucinidae
f category
Bivalvia - Cardiida - Cardiidae
c category
Vasticardium sp. Iredale 1927
r category
Bivalvia - Venerida - Veneridae
f category
c category
r category
r category
f category
Bivalvia - Venerida - Ungulinidae
f category
Diplodonta sp. Bronn 1831
r category
Bivalvia - Pholadida - Corbulidae
f category
Bivalvia - Ostreida - Ostreidae
c category
r category
Bivalvia - Pectinida - Pectinidae
r category
Mizuhopecten kimurai (Yokoyama 1925)
f category
Bivalvia - Arcida - Arcidae
r category
r category
Gastropoda - Naticidae
Sinum yabei Otuka 1934
f category
Euspira meisensis (Makiyama 1926)
f category
Gastropoda - Neogastropoda - Muricidae
r category
Gastropoda - Neogastropoda - Mitridae
r category
Gastropoda - Neogastropoda - Melongenidae
r category
Gastropoda - Calyptraeidae
Calyptraea sp. Lamarck 1799
r category
Gastropoda - Cerithiidae
r category
Gastropoda - Trochidae
Tectus japonicus Horikoshi 1958
r category
Gastropoda - Turbinidae
r category
Gastropoda - Heterostropha - Architectonicidae
r category
Gastropoda - Neritidae
r category
Scaphopoda - Dentaliida - Dentaliidae
Antalis sp. Adams and Adams 1854
r category
Fissidentalium sp. (Fischer 1885)
a 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:Kaisekidani bridge Local bed:Kd2
Regional section:Shobara City
Stratigraphic resolution:bed
Stratigraphy comments: Sandstone of 3 m thickness, from the uppermost part of the Lower Sandstone Fm, Bihoku Group. Horizon Kd2 of Okamoto et al., (1990)
Lithology and environment
Primary lithology:very coarse 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:51423
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2005-06-04 09:58:29 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-06-04 09:58:29
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]