Locality 1 - Shobara City (Bihoku Gp) (Miocene of Japan)

Where: Hiroshima, Japan (34.9° N, 133.0° E: paleocoordinates 37.4° N, 130.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lower Sandstone Formation (Bihoku Group), Middle Miocene (16.0 - 11.6 Ma)

• Sandstone of 80 cm thickness.

• bed-level stratigraphic resolution

Environment/lithology: coastal; fine-grained sandstone

• No environmental data reported.
• Fine grained sandstone

Size class: macrofossils

Collection methods: quarrying,

• Some material reposited in the Mizunami Fossil Museum

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 51422: authorized by Austin Hendy, entered by Austin Hendy on 04.06.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• Exhaustive for these localities and high quality nomenclature. Abundance classification: va, very abundant; a, abundant; c, common; f, frequent; r, rare.
unclassified
  -
Bivalvia
 Mytilida - Mytilidae
Lithophaga (Labis) sp. Dall 1916 mussel
 Ostreida - Ostreidae
 Ostreida - Pinnidae
Atrina sp. Gray 1842 oyster
 Lucinida - Lucinidae
 Cardiida - Cardiidae
"Hedecardium" ogurai Otuka 1938 cockle
 Cardiida - Cardiliidae
 Cardiida - Veneridae
Cyclina (Cyclinorbis) lunulata Makiyama 1926 venus clam
"Phacosoma suketoense" = Dosinia (Phacosoma) venus clam
 Cardiida -
Nipponomarcia nakamurai Ikebe 1941 clam
Subspecies: Nipponomarica nakamurai imobaraensis
Gastropoda
 Heterostropha - Architectonicidae
 Neritoidea - Neritidae
Nerita (Amphinerita) sp. Martens 1887 snail
 Trochoidea - Turbinidae
 Trochoidea - Trochidae
Tectus japonicus Horikoshi 1958 top snail
 Cerithioidea - Cerithiidae
"Ochetoclava sp." = Rhinoclavis (Ochetoclava)
"Ochetoclava sp." = Rhinoclavis (Ochetoclava) Woodring 1928 cerith snail
 Cerithioidea - Potamididae
Terebralia sp. Swainson 1840 horn snail
Vicaryella baculla horn snail
 Architaenioglossa - Ampullinidae
"Cernina nakamurai" = Cernina fluctuata nakamurai
"Cernina nakamurai" = Cernina fluctuata nakamurai Otuka 1938 snail
 Sorbeoconcha - Naticidae
Euspira meisensis Makiyama 1926 moon snail
"Sinum yabei" = Sinum ineptum Yokoyama 1924 moon snail
 Sorbeoconcha - Xenophoridae
Scaphopoda
 Dentaliida - Dentaliidae
Fissidentalium sp. Fischer 1885 tusk shell