Kinshozan, Upper Dairi zone, Akasaka, Gifu Prefecture (Permian of Japan)

Where: Japan (35.4° N, 136.6° E: paleocoordinates 23.1° N, 110.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Akasaka Formation, Capitanian (264.3 - 259.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Primary reference: I. Hayasaka. 1925. On some Paleozoic molluscs of Japan. 1. Lamellibranchiata and Scaphopoda. Science Reports of the Tohoku Imperial University. 2nd series, Geology 8(2):1-29 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 109638: authorized by Matthew Clapham, entered by Matthew Clapham on 19.05.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Pectinida - Aviculopectinidae
"Aviculopecten minoensis n. sp." = Hayasakapecten minoensis, "Aviculopecten reticularis n. sp." = Hayasakapecten reticularis
"Aviculopecten minoensis n. sp." = Hayasakapecten minoensis Hayasaka 1925 scallop
"Aviculopecten reticularis n. sp." = Hayasakapecten reticularis Hayasaka 1925 scallop