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 3 m thickness, from the uppermost part of the Lower Sandstone Fm, Bihoku Group. Horizon Kd2 of Okamoto et al., (1990)
• bed-level stratigraphic resolution
Environment/lithology: coastal; 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 51423: authorized by Austin Hendy, entered by Austin Hendy on 04.06.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Scaphopoda | |
Fissidentalium sp. Fischer 1885 tusk shell
Antalis sp. Adams and Adams 1854 tusk shell | |
Bivalvia | |
Lucinoma uetanii clam | |
"Solidicorbula nisataiensis" = Corbula (Solidicorbula)
"Solidicorbula nisataiensis" = Corbula (Solidicorbula) clam | |
"Vasticardium sp." = Acrosterigma (Vasticardium), "Hedecardium" ogurai
"Vasticardium sp." = Acrosterigma (Vasticardium) Iredale 1927 cockle
"Hedecardium" ogurai Otuka 1938 cockle | |
Pitar (Pitarina) itoi, "Phacosoma suketoense" = Dosinia (Phacosoma), "Phacosoma nomurai" = Dosinia (Phacosoma), Paphia (Paphia) ohiroi, Cyclina (Cyclinorbis) lunulata
Pitar (Pitarina) itoi venus clam
"Phacosoma suketoense" = Dosinia (Phacosoma) venus clam
"Phacosoma nomurai" = Dosinia (Phacosoma) venus clam
Paphia (Paphia) ohiroi venus clam
Cyclina (Cyclinorbis) lunulata Makiyama 1926 venus clam | |
Diplodonta sp. Bronn 1831 clam
Cycladicama ferruginatum Makiyama 1926 clam | |
| |
Panopea tyugokuensis clam | |
Mizuhopecten kimurai Yokoyama 1925 scallop
Chlamys iwamuraensis scallop | |
Ostrea itoigawai oyster
Crassostrea gravitesta oyster | |
Anadara ogawai ark
Anadara abdita ark | |
Acila (Acila) sp. Adams and Adams 1858 divaricate nutclam | |
| |
Gastropoda | |
Calyptraea sp. Lamarck 1799 slipper shell | |
""Mancinella" sp." = Thais (Mancinella)
""Mancinella" sp." = Thais (Mancinella) Link 1807 murex snail | |
Cancilla hirosei Oyama et al. 1994 mitre shell | |
Euspira meisensis, "Sinum yabei" = Sinum ineptum
Euspira meisensis Makiyama 1926 moon snail
"Sinum yabei" = Sinum ineptum Yokoyama 1924 moon snail | |
"Ochetoclava ancisa" = Rhinoclavis (Ochetoclava)
"Ochetoclava ancisa" = Rhinoclavis (Ochetoclava) cerith snail | |
Tectus japonicus Horikoshi 1958 top snail | |
Turbo (Marmarostoma) ozawai Otuka 1938 snail | |
Nerita (Amphinerita) sp. Martens 1887 snail | |
Architectonica kurodae sundial |