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Cynomys parvidens

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Utah Prairie Dog
(Cynomys parvidens)
Range
Taxonomic classification
Order:Rodentia
Suborder:Sciuromorpha
Family:Sciuridae
Subfamily:Xerinae
Tribe:Marmotini
Genus:Cynomys
Subgenus:Leucocrossuromys
Binomial details
Cynomys parvidens J. A. Allen, 1905
Other resources
Full taxonomic details at MDD

The Utah Prairie Dog (Cynomys parvidens) is a small member of the genus. It is listed as a threatened species by the United States Fish & Wildlife Service throughout its entire range.

Description

From Pizzimenti and Collier (1975): "The dorsum, including the proximal half of the tail, is cinnamon to clay in color....Individual body hairs are multicolored. From base to tip, they are black, pale buff, cinnamon, and finally tipped with dark brown or pale buff. The cheeks are marked by a brown patch, the mouth and chin are whitish, and the underparts are cinnamon to pale buff."

Utah Prairie Dog (Cynomys parvidens) observed by Creed Clayton in southern Utah.

Museum type specimens

  • Holotype: AMNH M-28738. Cynomys parvidens. Buckskin Valley, Iron County, Utah. Collected 25 August 1904. Dorsal view.
  • Holotype: AMNH M-28738. Cynomys parvidens. Buckskin Valley, Iron County, Utah. Collected 25 August 1904. Ventral view.

External measurements

Length measurements are in millimeters (mm) and weight measurements are in grams (g), unless stated otherwise. If available, the sample size (n=) is provided. If a range is not provided and n= is not given, then the listed measurement represents an average.

Part of range Reference Total length Tail length Hindfoot length Ear length Mass
Utah Pizzimenti and Collier (1975) 305–360 30–60 55–66 12–16


Skull

  • Holotype: AMNH M-28738. Cynomys parvidens. Buckskin Valley, Iron County, Utah. Collected 25 August 1904. Dorsal view of the skull.
  • Holotype: AMNH M-28738. Cynomys parvidens. Buckskin Valley, Iron County, Utah. Collected 25 August 1904. Ventral view of the skull.
  • Holotype: AMNH M-28738. Cynomys parvidens. Buckskin Valley, Iron County, Utah. Collected 25 August 1904. Dorsal view of the mandible.
  • Holotype: AMNH M-28738. Cynomys parvidens. Buckskin Valley, Iron County, Utah. Collected 25 August 1904. Lateral view of the left mandible.
  • Holotype: AMNH M-28738. Cynomys parvidens. Buckskin Valley, Iron County, Utah. Collected 25 August 1904. Upper incisors.

Similar species

Key to the prairie dogs

References

Pizzimenti JJ, Collier GD. 1975. Cynomys parvidens. Mammalian Species (52):1-3. https://doi.org/10.2307/3503977

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