Jackrabbit Trail (Site 202A) ( 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: Unit 4 Member (San Timoteo Formation), Blancan (4.9 - 1.8 Ma)

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 19738: authorized by John Alroy, entered by John Alroy on 19.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• generically identifiable NISP 31
Mammalia
 Rodentia - Cricetidae
"Sigmodon medius" = Sigmodon minor Gidley 1922 cotton rat
large-sized "S. minor"
Neotoma fossilis Gidley 1922 pack rat
"Ophiomys sp." = Mimomys Forsyth-Major 1902 vole
"Mimomys (Ophiomys) taylori-parvus"
Peromyscus hagermanensis Hibbard 1962 deer mouse
Peromyscus complexus n. sp. Albright 1999 deer mouse
 Rodentia - Geomyidae
Thomomys gidleyi Wilson 1933 pocket gopher
 Rodentia - Heteromyidae
Perognathinae indet. Coues 1875 rodent
 Lagomorpha - Leporidae
Sylvilagus hibbardi White 1984 cottontail rabbit
 Tribosphenida - Soricidae
Sorex leahyi Hibbard 1956 long-tailed shrew