Also known as UCMP V99901

Where: Humboldt County, California (40.6° N, 124.4° W: paleocoordinates 40.3° N, 123.8° W)

• coordinate estimated from map

When: Rio Dell Formation, Calabrian (1.8 - 0.8 Ma)

• Altogether, magnetostratigraphy indicates an age of 1.3–0.95 Ma (Calabrian, Early Pleistocene) for UCMP 238399.

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal; silty claystone

Size class: macrofossils

Reposited in the UCMP

Primary reference: C.-H. Tsai and R. W. Boessenecker. 2017. The earliest-known fin whale, Balaenoptera physalus, from the Early Pleistocene of northern California, U.S.A. Journal of Vertebrate Paleontology e1306536 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 186603: authorized by Mark Uhen, entered by Mark Uhen on 27.06.2017

Creative Commons license: CC BY (attribution)