Sukegawa, Taga-gun, Hitati Province (Pliocene of Japan)

Where: Japan (36.6° N, 140.6° E: paleocoordinates 37.3° N, 139.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Sukegawa Formation, Pliocene (5.3 - 2.6 Ma)

• Directly overlies metamorphic basement. Age often given as Pliocene but no basis provided.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; calcareous sandstone

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 190799: authorized by Matthew Clapham, entered by Matthew Clapham on 17.12.2017, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Terebratulida - Terebrataliidae
Terebratalia coreanica Adams and Reeve 1850
Diestothyris frontalis Middendorff 1849
? Coptothyris grayi Davidson 1852
 Terebratulida - Laqueidae
Laqueus blanfordi Dunker 1882
Laqueus quadratus Yabe and Hatai 1934
 Terebratulida - Cancellothyrididae
Terebratulina crossei Davidson 1882
Terebratulina kiiensis Dall and Pisbry 1891
 Rhynchonellida - Hemithirididae
Hemithyris braunsi Hayasaka 1928
Chondrichthyes
 Lamniformes - Lamnidae
Isurus oxyrinchus Rafinesque 1810 mako shark