Riverside County Landfill (Site 304) ( of the United States)

Where: Riverside County, California (33.9° N, 117.0° W: paleocoordinates 33.7° N, 116.0° W)

• coordinate based on political unit

When: San Timoteo Formation, Blancan (4.9 - 1.8 Ma)

• said to be Blancan

Environment/lithology: terrestrial

Primary reference: L. B. Albright. 1999. Magnetostratigraphy and biochronology of the San Timoteo Badlands, southern California, with implications for local Pliocene–Pleistocene tectonic and depositional patterns. Geological Society America Bulletin 111(9):1265-1293 [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 19739: authorized by John Alroy, entered by John Alroy on 19.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• in a normal magnetic polarity interval
generically identifiable NISP 13
Mammalia
 Rodentia - Cricetidae
Neotoma fossilis Gidley 1922 pack rat
Peromyscus cf. hagermanensis Hibbard 1962 deer mouse
 Rodentia - Heteromyidae
Dipodomys sp. Gray 1841 kangaroo rat
sp. B according to Albright 1999c;
Prodipodomys sp. Hibbard 1939 rodent