Where: Alameda County, California (37.6° N, 121.9° W: paleocoordinates 36.9° N, 118.5° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Briones Formation (San Pablo Group), Serravallian to Serravallian (13.8 - 7.2 Ma)

• location, age, and formation data from Domning (1996).

•AGE: edited following EPICC stratigraphic revision [6/13/2020].

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Reposited in the YPM

Primary reference: O. C. Marsh. 1888. Notice of a new fossil sirenian, from California. American Journal of Science 25(8):94-96 [M. Uhen/M. Uhen/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 13093: authorized by Mark Uhen, entered by Mark Uhen on 21.01.2002

Creative Commons license: CC BY (attribution)