UCMP 1037, Hipparion Point (Miocene of the United States)

Where: Contra Costa County, California (38.0° N, 122.3° W: paleocoordinates 37.9° N, 117.5° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Pinole Tuff Formation, Miocene (23.0 - 5.3 Ma)

Environment/lithology: terrestrial; siliciclastic sediments

Size class: macrofossils

Reposited in the UCMP

Primary reference: R. A. Stirton. 1939. Cenozoic Mammal Remains From the San Francisco Bay Region. University of California Publications, Bulletin of the Department of Geological Sciences 24(13):339-410 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 19370: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Amphibia
 Salientia - Ranidae
Rana pliocenica n. sp.2 Zweifel 1954 frog
Mammalia
 Perissodactyla - Equidae
Dinohippus sp.1 Quinn 1955 horse
 Perissodactyla - Rhinocerotidae
Teleoceras sp.1 Hatcher 1894 rhinoceros