Shinazawa sandstone quarry, lower layer (Pliocene of Japan)

Also known as Tachikawa

Where: Yamagata, Japan (38.7° N, 140.0° E: paleocoordinates 39.2° N, 139.4° E)

When: lower Member (Shinazawa Formation), Piacenzian (3.6 - 2.6 Ma)

• late Pliocene

Environment/lithology: marine; sandstone

Size class: macrofossils

Primary reference: Y. Tanaka, K. Nagasawa, and S. Oba. 2023. A new fossil rorqual aff. Balaenoptera bertae specimen from the Shinazawa Formation (late Pliocene to Early Pleistocene), Yamagata, Japan. Palaeontological Research 27(3):324-332 [A. Behrensmeyer/A. Behrensmeyer/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 229985: authorized by Mark Uhen, entered by Mark Uhen on 21.04.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
 Rotalioidea - Elphidiidae
Elphidium sp. Monfort 1808
Mammalia
 Cetacea - Balaenopteridae
"Balaenoptera aff. bertae" = Marzanoptera bertae
"Balaenoptera aff. bertae" = Marzanoptera bertae Boessenecker 2013 rorqual
YPM 11852