Where: Gunma, Japan (36.2° N, 138.7° E: paleocoordinates 38.9° N, 136.2° E)

• coordinate estimated from map

When: Haraichi Formation, Middle Miocene (16.0 - 11.6 Ma)

Environment/lithology: marine

Primary reference: T. Kimura, Y. Takakuwa, and Y. Hasegawa. 2003. Cetacean fossils in the Nakajima collection. Bulletin of the Gunma Museum of Natural History 7:19-23 [M. Uhen/M. Uhen/M. Uhen] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 75733: authorized by Mark Uhen, entered by Mark Uhen on 25.10.2007