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
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
unclassified | |
Bivalvia | |
Lithophaga (Labis) sp. Dall 1916 mussel | |
Ostrea itoigawai oyster
Crassostrea gravitesta oyster | |
Atrina sp. Gray 1842 oyster | |
Lucinoma uetanii clam | |
"Hedecardium" ogurai Otuka 1938 cockle | |
Cardilia toyamaensis clam | |
Cyclina (Cyclinorbis) lunulata, "Phacosoma suketoense" = Dosinia (Phacosoma)
Cyclina (Cyclinorbis) lunulata Makiyama 1926 venus clam
"Phacosoma suketoense" = Dosinia (Phacosoma) venus clam | |
| |
Gastropoda | |
Architectonica kurodae sundial | |
Nerita (Amphinerita) sp. Martens 1887 snail | |
Turbo (Marmarostoma) ozawai Otuka 1938 snail | |
Tectus japonicus Horikoshi 1958 top snail | |
"Ochetoclava sp." = Rhinoclavis (Ochetoclava)
"Ochetoclava sp." = Rhinoclavis (Ochetoclava) Woodring 1928 cerith snail | |
Terebralia sp. Swainson 1840 horn snail
Vicaryella baculla horn snail | |
"Cernina nakamurai" = Cernina fluctuata nakamurai
"Cernina nakamurai" = Cernina fluctuata nakamurai Otuka 1938 snail | |
Euspira meisensis, "Sinum yabei" = Sinum ineptum
Euspira meisensis Makiyama 1926 moon snail
"Sinum yabei" = Sinum ineptum Yokoyama 1924 moon snail | |
Xenophora sunakozakaensis carrier shell | |
Scaphopoda | |
Fissidentalium sp. Fischer 1885 tusk shell |