Cynomys (Cynomys) ludovicianus (Ord 1815)

[Arctomys] ludoviciana Ord 1815, in: Guthrie, New Geogr., Hist., Coml. Grammar, Philadelphia, 2nd ed., Vol. 2: 292.

Type Locality: "vicinity of the Missouri." Restricted by Hollister (1916 a:14) to "Upper Missouri River" (USA) .

Vernacular Names: Black-tailed Prairie Dog.

Subspecies::

Subspecies Cynomys (Cynomys) ludovicianus subsp. ludovicianus Ord 1815

Subspecies Cynomys (Cynomys) ludovicianus subsp. arizonensis Mearns 1890

Distribution: Saskatchewan (Canada); Montana to E Nebraska, W Texas, New Mexico, and SE Arizona (USA); NE Sonora, and N Chihuahua (Mexico).

Conservation: U.S. ESA – Candidate taxon; IUCN – Lower Risk (nt).

Discussion: Subgenus Cynomys . Intraspecific variation reviewed by Chesser (1983). Reviewed by Hoogland (1996, Mammalian Species No. 535).