UCMP V-3405, Norris Canyon (Miocene of the United States)

Where: Contra Costa County, California (37.8° N, 122.0° W: paleocoordinates 37.0° N, 117.7° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Miocene (23.0 - 5.3 Ma)

Environment/lithology: terrestrial; lithology not reported

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 19459: authorized by John Alroy, entered by John Alroy on 26.03.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

• fossils from two beds 42' apart
Mammalia
 Perissodactyla - Equidae
Equidae indet. Gray 1821 horse
 Artiodactyla - Camelidae
Camelidae indet. Gray 1821 camel
 Artiodactyla - Palaeomerycidae
"? Pediomeryx ruminalis n. sp." = Yumaceras ruminalis
"? Pediomeryx ruminalis n. sp." = Yumaceras ruminalis Stirton 1939 ruminant