Alvord Mountain (USGS D321) (Miocene of the United States)

Where: San Bernardino County, California (34.8° N, 117.0° W: paleocoordinates 34.1° N, 112.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Lower Member (Barstow Formation), Barstovian (16.0 - 13.6 Ma)

Environment/lithology: terrestrial

Reposited in the USGS

Primary reference: F. M. Byers, Jr. 1960. Geology of the Alvord Mountain quadrangle, San Bernardino County, California. United States Geological Survey Bulletin 1089-A:1-71 [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 19137: authorized by John Alroy, entered by John Alroy on 19.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• see also Woodburne et al. 1982
"30 m above the dated basalt near Clews Ridge"
Mammalia
 Perissodactyla - Equidae
Parapliohippus carrizoensis1 Dougherty 1940 horse
 Ungulata - Merycoidodontidae
Merychyus elegans2 Leidy 1858 oreodont