Koyagijima (Paleogene of Japan)

Also known as Koyagimachji

Where: Nagasaki, Japan (32.7° N, 129.8° E: paleocoordinates 38.3° N, 123.2° E)

When: Okinishima Formation, Paleogene (66.0 - 23.0 Ma)

• Orthulax japonicus zone

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: T. Nagao. 1928. Palaeogene fossils of the Island of Kyushu, Japan Part II. Science Reports of the Tohoku Imperial University 12(1):11-140 [M. Uhen/B. Shipps/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 205248: authorized by Mark Uhen, entered by Mark Uhen on 09.10.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Ostreidae
Ostrea cassis n. sp. Nagao 1928 oyster