Hiraizumi, Yushima Fm. (Pliocene of Japan)

Where: Iwate, Japan (39.0° N, 141.1° E: paleocoordinates 39.7° N, 140.3° E)

• coordinate estimated from map

When: Yushima Formation, Zanclean (5.3 - 3.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Preservation: original phosphate

Collection methods: surface (in situ),

Primary reference: M. Oishi and Y. Hasegawa. 1995. A list of fossil cetaceans in Japan. The Island Arc 3:493-505 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 76006: authorized by Mark Uhen, entered by Mark Uhen on 08.11.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Cetacea - Lipotidae
Parapontoporia sp. Barnes 1984 toothed whale
 Cetacea - Balaenopteridae
Balaenopteridae indet. Gray 1864 rorqual
= Balenopteridae sp. B
 Cetacea - Cetotheriidae
aff. Herpetocetus sp.2 Van Beneden 1872 whale
= Cetotheriidae sp. A
 Cetacea -
Burtinopsis sp. Van Beneden 1872 whale
= Balenopteridae sp. A
 Carnivora - Otariidae
Eumetopias aff. jubatus1 Schreber 1776 Steller sea lion