Also known as Annaka

Where: Gunma, Japan (36.3° N, 138.9° E: paleocoordinates 37.9° N, 137.1° E)

• coordinate estimated from map

When: Haraichi Formation (Tomioka Group), Tortonian (11.6 - 7.2 Ma)

• Hasegawa and Kimura (2008) place this at about 11.29 Ma based on ash dates.

•Kimura et al. (20006) state that this locality is approximately 11.5 Ma, which makes it late Serravalian.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: T. Kimura and Y. Hasegawa. 2004. An outline of the Miocene cetotheres of Japan. Bulletin of the Gunma Museum of Natural History 8:79-88 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 56950: authorized by Mark Uhen, entered by Mark Uhen on 29.11.2005

Creative Commons license: CC BY (attribution)