Tanohata Area, Tanohata Formation, Honshu (Cretaceous of Japan)

Where: Iwate, Japan (40.0° N, 141.8° E: paleocoordinates 52.8° N, 141.5° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Tanohata Formation (Miyako Group), Aptian (125.0 - 113.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; calcareous sandstone

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: I. Hayami. 1975. A systematic survey of the Mesozoic Bivalvia from Japan. The University Museum, The University of Tokyo, Bulletin (10) [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 40554: authorized by Martin Aberhan, entered by Sabine Nürnberg on 25.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Gryphaeidae
"Amphidonte (Ceratostreon) yabei" = Ceratostreon, Amphidonte (Amphidonte) subhaliotoidea, "? Catinula oshimensis" = Gryphaea (Catinula)
"Amphidonte (Ceratostreon) yabei" = Ceratostreon oyster
"? Catinula oshimensis" = Gryphaea (Catinula) oyster
 Ostreida - Ostreidae
 Ostreida - Bakevelliidae
 Pectinida - Limidae
 Pectinida - Pectinoidae
 Pectinida - Neitheoidae
Neithea (Neithea) ficalhoi Choffat 1888 scallop
 Arcida - Glycymerididae
 Carditida - Astartidae
 Carditida - Crassatellidae
 Pholadomyida - Pholadomyidae
 Thraciida - Thraciidae
 Cardiida - Kalenteridae
 Cardiida - Cardiidae
Globocardium sphaeroideum Forbes 1845 cockle
 Cardiida - Arcticidae
 Cardiida - Veneridae
 Hippuritida - Polyconitidae
 Pholadida - Teredinidae
 Trigoniida - Megatrigonioidae
 Trigoniida - Trigoniidae
Nipponitrigonia kikuchiana Yokoyama 1891 clam