Mitsu Area, Loc 3, Okayama City (Permian of Japan)

Where: Japan (34.8° N, 133.8° E: paleocoordinates 31.8° N, 109.9° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Maizuru Group, Changhsingian (254.2 - 252.2 Ma)

Environment/lithology: marine; lithified mudstone

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Primary reference: K. Nakazawa, R. L. Batten, S. Suzuki and H. Uwada. 2008. Permian and Triassic molluscan fossils from the Maizuru Zone, Okayama City, southwest Japan. Okayama University Earth Science Reports 15:1-8 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 115236: authorized by Matthew Clapham, entered by Matthew Clapham on 31.08.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Deltopectinidae
Streblopteria cf. eichwaldi Stuckenberg 1898 scallop
 Ostreida - Posidoniidae
Posidonia sp. Bronn 1828 oyster
Gastropoda
 Pleurotomariida - Phymatopleuridae
Callitomaria cf. stanislavi Batten 1956 snail
 Seguenzioidea - Eunemopsidae
? Eunemopsis sp. Kittl 1891 snail
 Trochoidea - Araeonematidae
? Yunnania sp. Mansuy 1912 snail