Sakuradani Area, Kochigatani Group, Shikoku (Triassic of Japan)

Where: Tokushima, Japan (33.8° N, 134.3° E: paleocoordinates 42.4° N, 118.3° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Kochigatani Group, Carnian (237.0 - 228.0 Ma)

• Lower part of Kochigatani Group

• formation-level stratigraphic resolution

Environment/lithology: marine; 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 40478: authorized by Martin Aberhan, entered by Sabine Nürnberg on 24.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Oxytomidae
 Pectinida - Monotidae
Otapiria dubia Ichikawa 1954 scallop
 Pectinida - Limidae
Pseudolimea naumanni Kobayashi and Ichikawa 1951 file clam
 Pectinida - Pectinoidae
Chlamys mojsisovicsi Kobayashi and Ichikawa 1949 scallop
Tosapecten suzukii Kobayashi 1931 scallop
subsp. suzukii
 Ostreida - Halobiidae
Halobia kawadai Yehara 1927 oyster
 Mytilida - Mytilidae
Falcimytilus nasai Kobayashi and Ichikawa 1950 mussel
 Carditida - Astartidae
? Astarte iwayai Ichikawa 1954 clam
 Carditida - Cardiniidae
 Trigoniida - Myophoriidae
 Trigoniida - Trigoniidae
 Trigoniida - Trigonodidae
 Nuculida - Nuculidae
Trigonucula sakawana, "Nuculopsis (Palaeonucula) aff. expansa" = Palaeonucula
Trigonucula sakawana Ichikawa 1949 nut clam
"Nuculopsis (Palaeonucula) aff. expansa" = Palaeonucula nut clam
 Nuculanida - Malletiidae