Tagashira, Nishiogawa (Eocene of Japan)

Where: Fukushima, Japan (37.1° N, 140.8° E: paleocoordinates 45.0° N, 136.4° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Iwaki Formation (Shiramizu Group), Priabonian (38.0 - 33.9 Ma)

• upper part of the Iwaki Formation

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; cherty/siliceous gravel and coal

• chert gravels

Size class: macrofossils

Collected in 1985

• Repository: Iwaki City Coal and Fossil Museum, Iwaki, Japan.

Primary reference: T. Tsubamoto, Y. Koda, Y. Hasegawa, S. Nabana, and Y. Tomida. 2015. Paleogene mammals from the Iwaki Formation in Japan: Their implications for the geologic age and paleobiogeography of this formation. Journal of Asian Earth Sciences 108:18-32 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 180395: authorized by Philip Mannion, entered by Philip Mannion on 15.07.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Artiodactyla - Archaeomerycidae
cf. Notomeryx sp. Qiu 1978 ruminant
ISK-MF 0003 (previously listed as IMNHP 408349 by Koda 1991)
 Artiodactyla - Anthracotheriidae
Bothriogenys cf. hui Chow 1958 anthracothere
ISK-MF 0001 (previously listed as IMNHP 408348 by Koda 1991) and 0002