Sawa Isago Yashimamachi (Miocene of Japan)

Also known as Dewakujira

Where: Akita, Japan (39.7° N, 140.7° E: paleocoordinates 41.1° N, 139.1° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Oka Member (Funakawa Formation), Late/Upper Miocene (11.6 - 5.3 Ma)

Environment/lithology: marginal marine; lithology not reported

• cold water, benthic

Size class: macrofossils

Preservation: original phosphate

Primary reference: Y. Hasegawa and M. Kato. 1974. A fossil Cetacea from the Miocene of Yashima Town, Yuri County, Akita Prefecture: Dewakujira. Research Report of the Akita Prefectural Museum, Akita, Japan 1-16 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 97663: authorized by Mark Uhen, entered by Mark Uhen on 19.08.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Mammalia
 Cetacea - Balaenopteridae
Balaenopteridae indet. Gray 1864 rorqual
Protozoa
 Radiolaria - Actinommidae
Foraminifera
 Lituolida - Lituolidae
Cyclammina sp. Brady 1876