Otutumi, Kurokawa-gun (lower beds) (Miocene of Japan)

Where: Japan (38.4° N, 140.9° E: paleocoordinates 40.9° N, 138.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Otsutsumi Formation, Serravallian (13.8 - 11.6 Ma)

• Otsutsumi formation (Otutumi beds in Hatai) ranges from 14 Ma to 9 Ma (Ogasawara, 1994).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; coarse-grained sandstone

• Coarse-grained sandstone, conglomeratic sandstone with basal conglomerate calcareous

Size class: macrofossils

Primary reference: K. M. Hatai. 1940. The Cenozoic Brachiopoda of Japan. Science Reports, Tohoku Imperial University, Series 2 20:1-413 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190762: authorized by Matthew Clapham, entered by Matthew Clapham on 17.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Terebratulida - Terebratellidae
Tanakura tanakura Hatai 1936
 Terebratulida - Dallinidae
 Terebratulida - Terebrataliidae
Terebratalia tenuis Hayasaka 1922
Coptothyris grayi Davidson 1852
 Terebratulida - Laqueidae
Laqueus rubellus Sowerby 1846
 Terebratulida - Cancellothyrididae