Perognathus merriami J. A. Allen 1892

Perognathus merriami J. A. Allen 1892, Bull. Am. Mus . Nat. Hist., 4: 45.

Type Locality: USA, Texas, Cameron Co., Brownsville.

Vernacular Names: Merriam's Pocket Mouse.

Subspecies::

Subspecies Perognathus merriami subsp. merriami J. A. Allen 1892

Subspecies Perognathus merriami subsp. gilvus Osgood 1900

Distribution: SE New Mexico east to S Texas (USA), east from N Chihuahua to Tamaulipas (Mexico).

Conservation: IUCN – Lower Risk (lc).

Discussion: Synonymized with flavus by Wilson (1973), but Lee and Engstrom (1991) considered merriami a separate species based on biochemical genetics, as did Anderson (1972) using morphological criteria. Reviewed by Best and Skupski (1994 b, Mammalian Species No. 473).