Chaetodipus formosus Merriam 1889
Chaetodipus formosus Merriam 1889, N. Amer. Fauna, 1: 17.
Type Locality: USA, Utah, Washington Co., St. George.
Vernacular Names: Long-tailed Pocket Mouse.
Subspecies::
Subspecies Chaetodipus formosus subsp. formosus Merriam 1889
Subspecies Chaetodipus formosus subsp. cinerascens Nelson and Goldman 1929
Subspecies Chaetodipus formosus subsp. incolatus Hall 1941
Subspecies Chaetodipus formosus subsp. infolatus Huey 1954
Subspecies Chaetodipus formosus subsp. melanurus Hall 1941
Subspecies Chaetodipus formosus subsp. mesembrinus Elliot 1904
Subspecies Chaetodipus formosus subsp. mohavensis Huey 1938
Distribution: W Utah, Nevada, E California, and NW Arizona (USA), and E coast of Baja California to Bahía Concepcion (Baja California Sur, Mexico).
Conservation: IUCN – Lower Risk (lc).
Discussion: Reviewed by Huey (1964). Included in Perognathus by Hall (1981:542) and earlier workers, but allocated to Chaetodipus by Patton et al. (1981) and Hafner and Hafner (1983). Subspecies reviewed by Williams et al. (1993).