Where: Nagano, Japan (35.5° N, 137.8° E: paleocoordinates 38.2° N, 135.3° E)

• coordinate estimated from map

When: Shinkida Formation (Tomikusa Group), Middle Miocene (16.0 - 11.6 Ma)

• Originally said to be from the Arakida Formation. Matsui et al. (2017) state this is from the Shinkida Formation

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: Y. Hasegawa, T. Muramatsu, and Y. Miyazawa. 1995. A desmostylian tooth from the Tomikusa Group, Nagano Prefecture. Scientific Reports of the Yokohoma National University, Section II 41/42:1-11 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 75730: authorized by Mark Uhen, entered by Mark Uhen on 25.10.2007

Creative Commons license: CC BY (attribution)