White Rock Middle Loc.+ ( of the United States)

Also known as UM-K4-72+

Where: Republic County, Kansas (39.9° N, 97.7° W: paleocoordinates 40.0° N, 97.0° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Blancan (4.9 - 1.8 Ma)

Environment/lithology: terrestrial

Primary reference: R. E. Eshelman. 1975. Geology and Paleontology of the Early Pleistocene (Late Blancan) White Rock Fauna from North-Central Kansas. University of Michigan Papers on Paleontology 13:1-60 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 19944: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Carnivora - Mustelidae
Mustela cf. rexroadensis1 Hibbard 1950 weasel
 Perissodactyla - Equidae
"Equus cf. simplicidens" = Plesippus simplicidens
"Equus cf. simplicidens" = Plesippus simplicidens Cope 1892 horse
 Rodentia - Cricetidae
Ondatra idahoensis Wilson 1933 muskrat
Hibbardomys voorhiesi2 Zakrzewski 1984 rodent
Plioctomys cf. rinkeri1 Hibbard 1956 rodent
Neotoma leucopetrica3 Zakrzewski 1991 pack rat
Pliophenacomys osborni Martin 1972 rodent
OK, Zakrzewski 1984
"Ophiomys meadensis" = Pliophenacomys meadensis Hibbard 1956 rodent
 Rodentia - Geomyidae
Geomys sp. Rafinesque 1817 pocket gopher
 Rodentia - Sciuridae
Spermophilus sp. Cuvier 1825 ground squirrel