Arroyo Seco (CU 37) ( of the United States)

Where: San Diego County, California (32.9° N, 117.1° W: paleocoordinates 32.7° N, 116.1° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Diablo/Olla Member (Palm Spring Formation), Blancan (4.9 - 1.8 Ma)

• said to be Blancan

Environment/lithology: terrestrial

Primary reference: M. L. Cassiliano. 1999. Biostratigraphy of Blancan and Irvingtonian mammals in the Fish Creek-Vallecito Creek section, southern California, and a review of the Blancan-Irvingtonian boundary. Journal of Vertebrate Paleontology 19(1):169-186 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 20105: authorized by John Alroy, entered by John Alroy on 21.09.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Equidae
Equus sp. Linnaeus 1758 horse
 Artiodactyla - Antilocapridae
Tetrameryx sp. Lull 1921 pronghorn
CU 37.8
 Artiodactyla - Camelidae
Camelops sp. Leidy 1854 camel
Titanotylopus sp. Barbour and Schultz 1934 camel
 Carnivora - Canidae
Vulpes sp. Frisch 1775 fox
Canis sp. Linnaeus 1758 canine
 Lagomorpha - Leporidae
Pewelagus dawsonae White 1984 rabbit
 Rodentia - Cricetidae
Hodomys sp. Merriam 1894 mouse
"Neotoma (Hodomys) sp."
 Rodentia - Sciuridae
Neotamias sp. Howell 1929 chipmunk
 Rodentia - Geomyidae
Geomyidae indet. Bonaparte 1845 pocket gopher
Nerterogeomys anzensis Becker and White 1981 pocket gopher
Nerterogeomys garbanii White and Downs 1961 pocket gopher
 Rodentia - Heteromyidae
Perognathinae indet. Coues 1875 rodent