Gidley Rod (Pleistocene of the United States)

Also known as UA locality 25-3; "Gidley Level", in part; Curtis Ranch in part

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

• Paleocoordinates: 32.3° N, 109.9° W (Wright 2013)

• coordinate based on political unit

When: St. David Formation, Irvingtonian (1.4 - 0.2 Ma)

• said to be Irvingtonian

Environment/lithology: terrestrial

Primary reference: E. H. Lindsay and N. T. Tessman. 1974. Cenozoic Vertebrate Localities and Faunas in Arizona. Journal of the Arizona Academy of Sciences 9(1):3-24 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 20341: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC0 (CC0)

Taxonomic list

• within chron C2r.2r
said to be Irvingtonian, but reassigned to the Blancan by Cassiliano 1999
species-level i.d.s inferred from "Gidley Level" list of Johnson et al. 1975
Mammalia
 Cingulata - Glyptodontidae
"Glyptotherium arizonae" = Glyptotherium texanum2
"Glyptotherium arizonae" = Glyptotherium texanum2 Osborn 1903 glyptodon
 Proboscidea - Gomphotheriidae
Stegomastodon sp. Pohlig 1912 gomphothere
 Carnivora - Mustelidae
Mustelidae indet. Batsch 1788 mustelid carnivore
 Carnivora - Felidae
Felidae indet.3 Gray 1821 cat
 Artiodactyla - Camelidae
Hemiauchenia sp.1 Gervais and Ameghino 1880 camel
Camelops sp. Leidy 1854 camel
 Perissodactyla - Equidae
Equus sp. Linnaeus 1758 horse
 Lagomorpha - Leporidae
Sylvilagus sp. Gray 1867 cottontail rabbit
includes "Lepus sp.": Galusha et al. 1984
? Notolagus sp. Wilson 1937 rabbit
 Rodentia - Sciuridae
Spermophilus cochisei2 Gidley 1922 ground squirrel
 Rodentia - Heteromyidae
"Prodipodomys gidleyi" = Dipodomys gidleyi2
"Prodipodomys gidleyi" = Dipodomys gidleyi2 Wood 1935 kangaroo rat
 Rodentia - Geomyidae
Nerterogeomys persimilis2 Hay 1927 pocket gopher
 Rodentia - Cricetidae
Ondatra idahoensis2 Wilson 1933 muskrat
Sigmodon minor2 Gidley 1922 cotton rat
Sigmodon curtisi2 Gidley 1922 cotton rat
see also Mezzabotta 1997
Neotoma sp. Say and Ord 1825 pack rat