Mitsu Area, Loc 1, Okayama City (Permian of Japan)

Where: Japan (34.8° N, 133.9° 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 115234: authorized by Matthew Clapham, entered by Matthew Clapham on 31.08.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Murchisoniina - Phymatopleuridae
Worthenia cf. corrugata Chronic 1952 snail
Bivalvia
 Ostreida - Posidoniidae
Posidonia sp. Bronn 1828 oyster
 Ostreida - Pterineidae
Leptodesma sp. Hall 1883 oyster