Wolf Ranch ( of the United States)

Also known as UALP Loc. 64

Where: Cochise County, Arizona (32.0° N, 110.2° W: paleocoordinates 32.1° N, 109.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: St. David Formation, Blancan (4.9 - 1.8 Ma)

Environment/lithology: terrestrial

Primary reference: J. A. Harrison. 1978. Mammals of the Wolf Ranch Local Fauna, Pliocene of the San Pedro Valley, Arizona. Occasional Papers of the Museum of Natural History, University of Kansas 73:1-18 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 19650: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• within chron C2An.1n
"Nannippus datum" of Johnson et al. 1975
NISP 378
 Rodentia - Cricetidae
"Bensonomys arizonae" = Calomys (Bensonomys) arizonae2 Gidley 1922 mouse
Sigmodon curtisi Gidley 1922 cotton rat
Sigmodon minor Gidley 1922 cotton rat
sample is intermediate between S. minor and S. medius, but i.d. is upheld by Mezzabotta 1997
Neotoma sp. Say and Ord 1825 pack rat
Peromyscus sp. Gloger 1841 deer mouse
"Baiomys minimus" = Peromyscus minimus Gidley 1922 deer mouse
"Baiomys brachygnathus" = Peromyscus brachygnathus Gidley 1922 deer mouse
Onychomys bensoni Gidley 1922 grasshopper mouse
 Rodentia - Sciuridae
"Spermophilus bensoni" = Citellus (Otospermophilus) bensoni
"Spermophilus bensoni" = Citellus (Otospermophilus) bensoni Gidley 1922 ground squirrel
 Rodentia - Geomyidae
Nerterogeomys persimilis Hay 1927 pocket gopher
 Rodentia - Heteromyidae
Dipodomys hibbardi1 Zakrzewski 1981 kangaroo rat
Prodipodomys idahoensis Hibbard 1962 rodent
said to be indeterminate by Czaplewski 1990, but determinate by Albright 1999c
Perognathus gidleyi Hibbard 1941 pocket mouse
Perognathus pearlettensis Hibbard 1941 pocket mouse
 Rodentia - Erethizontidae
Erethizon bathygnathum2 Wilson 1935 North American porcupine
 Lagomorpha - Leporidae
Sylvilagus hibbardi4 White 1984 cottontail rabbit
one specimen of N. progressus and one new specimen
Nekrolagus progressus Hibbard 1939 rabbit
Notolagus cf. lepusculus Hibbard 1939 rabbit
 Perissodactyla - Equidae
Nannippus peninsulatus Cope 1885 hipparionine horse
"Equus simplicidens" = Equus (Dolichohippus) simplicidens Cope 1892 horse
 Chiroptera - Vespertilionidae
Antrozous pallidus3 Le Conte 1856 pallid bat
 Proboscidea - Gomphotheriidae
? Stegomastodon sp. Pohlig 1912 gomphothere
 Ungulata - Camelidae
cf. Camelops sp. Leidy 1854 camel