Jackrabbit Trail (Site 187) ( 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 19736: authorized by John Alroy, entered by John Alroy on 19.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• generically identifiable NISP 91
Mammalia
 Rodentia - Cricetidae
"Sigmodon medius" = Sigmodon minor Gidley 1922 cotton rat
large-sized "S. minor"
Baiomys mowi Albright 1999 pygmy mouse
Neotoma (Paraneotoma) fossilis Gidley 1922 pack rat
Peromyscus hagermanensis Hibbard 1962 deer mouse
Peromyscus complexus Albright 1999 deer mouse
includes additional Peromyscus sp. said to be new
Peromyscus baumgartneri Hibbard 1954 deer mouse
 Rodentia - Geomyidae
Reynoldsomys timoteoensis n. sp. Albright 1999 pocket gopher
includes additional heteromyid said to be new
Thomomys gidleyi Wilson 1933 pocket gopher
 Rodentia - Heteromyidae
Perognathinae indet. Coues 1875 rodent
"Perognathus sp. Albright 1999c: sp. A
Prodipodomys sp. Hibbard 1939 rodent
Prodipodomys timoteoensis Albright 1999 rodent
includes additional dipodomyine said to be new
Prodipodomys idahoensis Hibbard 1962 rodent