Where: Aomori, Japan (40.7° N, 140.1° E: paleocoordinates 41.3° N, 139.5° E)

• coordinate stated in text

• hand sample-level geographic resolution

When: Late/Upper Pliocene (3.6 - 2.6 Ma)

• Based on the planktonic foraminifers and diatoms, the age of the formation is late Pliocene (Hirayama and Uemura, 1985; Nemoto and Wakabayashi, 1995)

Environment/lithology: marine; siltstone

Size classes: macrofossils, mesofossils

Primary reference: K. Amano. 2020. Molluscan fossils from the Kitakanegasawa Formation in Aomori Prefecture, Japan, with remarks on the northern limit of the Tsushima Warm Current during the late Pliocene. Bulletin of the National Museum of Natural Sciences, Series C 46:87-98 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 234747: authorized by Patricia Holroyd, entered by Patricia Holroyd on 12.05.2024

Creative Commons license: CC BY (attribution)