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

Where: Japan (38.4° N, 140.9° E: paleocoordinates 40.0° N, 139.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Otsutsumi Formation, Tortonian (11.6 - 7.2 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, conglomeratic sandstone

• Coarse material, conglomeratic sandstone which is non-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 190763: authorized by Matthew Clapham, entered by Matthew Clapham on 17.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Terebratulida - Dallinidae
 Terebratulida - Terebrataliidae
Coptothyris grayi Davidson 1852
 Terebratulida - Cancellothyrididae
Terebratulina crossei, "Terebratulina (Sendaithyris) otutumiensis n. sp." = Sendaithyris otutumiensis
Terebratulina crossei Davidson 1882
"Terebratulina (Sendaithyris) otutumiensis n. sp." = Sendaithyris otutumiensis Hatai 1940