Iojima (Eocene of Japan)

Where: Nagasaki, Japan (32.8° N, 129.8° E: paleocoordinates 38.1° N, 124.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Iojima Formation, Bartonian (41.3 - 38.0 Ma)

• Iojima beds

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported and shale

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 205247: 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 Nagao 1928 oyster
 Arcida - Cucullaeidae
Cucullaea nipponica n. sp. Nagao 1928 clam
 Cardiida - Cardiidae
Cardium (Cerastoderma) hizenense n. sp. Nagao 1928 cockle