ammonites
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Gateway to the Paleobiology Database
Mission San Jose, east (Miocene of the United States)

Where: Alameda County, California (37.6° N, 121.9° W: paleocoordinates 36.8° N, 117.6° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Briones Formation, Middle Miocene (16.0 - 11.6 Ma)

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

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)