Umashima (Uma Island) (Oligocene of Japan)

Also known as Kokuraki-ta-ku, Kitakyushu City, Fukuoka

Where: Japan (34.0° N, 130.9° E: paleocoordinates 39.2° N, 127.3° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Jinnobaru Formation (Ashiya Group), Late/Upper Oligocene (28.4 - 23.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; fine-grained, gray sandstone

• grayish and fine-grained sandstone

Size class: macrofossils

Primary reference: K. Miyata, Y. Tomida, K. C. Beard, G. F. Gunnell, H. Ugai and K. Hirose. 2011. Eocene mammals from the Akasaki and Nakakoshiki formations, western Kyushu, Japan: Preliminary work and correlation with Asian Land Mammal Ages. Vertebrata PalAsiatica 49(1):53-68 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 183070: authorized by Philip Mannion, entered by Philip Mannion on 30.11.2016, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Amynodontidae
? Amynodon sp. Marsh 1877 odd-toed ungulate
 Cetacea - Aetiocetidae
Aetiocetidae indet. Emlong 1966 whale