Thomomys monticolus
| Mountain Pocket Gopher
(Thomomys monticolus) | |
|---|---|
| Range | |
 | |
| Taxonomic classification | |
| Order: | Rodentia |
| Suborder: | Supramyomorpha |
| Infraorder: | Castorimorphi |
| Superfamily: | Geomyoidea |
| Family: | Geomyidae |
| Subfamily: | Geomyinae |
| Tribe: | Thomomyini |
| Genus: | Thomomys |
| Binomial details | |
| Thomomys monticolus J. A. Allen, 1893 | |
| Other resources | |
| Full taxonomic details at MDD | |
Description
From Allen (1893): "Size medium. Skull long and narrow. A strong ridge on the inner edge of the outer face of the upper incisors. Claws long and rather slender. Ears prominent. Pelage very long and soft. Above dull pale reddish brown, strongly tinged with gray; below ashy white, sometimes with a faint tinge of buff; feet and tail whitish; mouth parts and entrance to pouches blackish; no white throat spot; ears in a large blackish area, of more than the usual extent."
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 |
|---|---|---|---|---|---|---|
| California | Jameson & Peeters (2004) | 190–220 | 55–80 | 26–30 | 8–9 | 50–105 |
Skull
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Holotype: USNM 95152. Thomomys monticolus. Adult male. Sisson, Siskiyou County, California. Collected 4 September 1898. Dorsal view of the skull. -
Holotype: USNM 95152. Thomomys monticolus. Adult male. Sisson, Siskiyou County, California. Collected 4 September 1898. Ventral view of the skull. -
Holotype: USNM 95152. Thomomys monticolus. Adult male. Sisson, Siskiyou County, California. Collected 4 September 1898. Lateral view of the skull. -
Holotype: USNM 95152. Thomomys monticolus. Adult male. Sisson, Siskiyou County, California. Collected 4 September 1898. Dorsal view of the mandible. -
Holotype: USNM 95152. Thomomys monticolus. Adult male. Sisson, Siskiyou County, California. Collected 4 September 1898. Lateral view of the left mandible.
Similar species
Key to the species of Thomomys by Verts and Carraway (2005)
References
Allen JA. 1893-04-28. Descriptions of four new species of Thomomys, with remarks on other species of the genus. Bulletin of the American Museum of Natural History 5(5):47-68.
Jameson EW, Peeters HJ. 2004. Mammals of California (No. 66). Berkeley (CA, USA): University of California Press.