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 32.0° N, 110.0° W)

• coordinate based on political unit

When: St. David Formation, Irvingtonian (1.8 - 0.3 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: CC BY (attribution)

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. Fischer 1817 mustelid carnivore
 Carnivora - Felidae
Felidae indet.3 Gray 1821 cat
 Perissodactyla - Equidae
Equus sp. Linnaeus 1758 horse
 Artiodactyla - Camelidae
Hemiauchenia sp.1 Gervais and Ameghino 1880 camel
Camelops sp. Leidy 1854 camel
 Lagomorpha - Leporidae
Sylvilagus sp. Gray 1867 cottontail rabbit
includes "Lepus sp.": Galusha et al. 1984
? Notolagus sp. Wilson 1937 rabbit
 Rodentia - Cricetidae
Neotoma sp. Say and Ord 1825 pack rat
Sigmodon minor2 Gidley 1922 cotton rat
Sigmodon curtisi2 Gidley 1922 cotton rat
see also Mezzabotta 1997
Ondatra idahoensis2 Wilson 1933 muskrat
 Rodentia - Sciuridae
Spermophilus cochisei2 Gidley 1922 ground squirrel
 Rodentia - Geomyidae
Nerterogeomys persimilis2 Hay 1927 pocket gopher
 Rodentia - Heteromyidae
"Prodipodomys gidleyi" = Dipodomys gidleyi2
"Prodipodomys gidleyi" = Dipodomys gidleyi2 Wood 1935 kangaroo rat