Microdipodops megacephalus Merriam 1891
Microdipodops megacephalus Merriam 1891, N. Amer. Fauna, 5: 116.
Type Locality: USA, Nevada, Elko Co., Halleck.
Vernacular Names: Dark Kangaroo Mouse.
Subspecies::
Subspecies Microdipodops megacephalus subsp. megacephalus Merriam 1891
Subspecies Microdipodops megacephalus subsp. albiventer Hall and Durrant 1937
Subspecies Microdipodops megacephalus subsp. ambiguus Hall 1941
Subspecies Microdipodops megacephalus subsp. atrirelictus Hafner 1985
Subspecies Microdipodops megacephalus subsp. californicus Merriam 1901
Subspecies Microdipodops megacephalus subsp. leucotis Hall and Durrant 1941
Subspecies Microdipodops megacephalus subsp. medius Hall 1941
Subspecies Microdipodops megacephalus subsp. nasutus Hall 1941
Subspecies Microdipodops megacephalus subsp. nexus Hall 1941
Subspecies Microdipodops megacephalus subsp. oregonus Merriam 1901
Subspecies Microdipodops megacephalus subsp. paululus Hall and Durrant 1941
Subspecies Microdipodops megacephalus subsp. polionotus Grinnell 1914
Subspecies Microdipodops megacephalus subsp. sabulonis Hall 1941
Distribution: SE Oregon, S Idaho, NE and EC California, N and C Nevada, and WC Utah (USA).
Conservation: IUCN – Vulnerable as M. m. atrirelictus, Data Deficient as M. m. nexus, otherwise Lower Risk (lc).
Discussion: Reviewed by O'Farrell and Blaustein (1974 a, Mammalian Species No. 46). Hafner et al. (1979) discounted the suggestion by Hall (1941:380-382) of hybridization between megacephalus and pallidus . Also, Hall's suggestion (1981:560) that leucotis may warrant specific status is not supported (see Hafner and Hafner, 1983). Subspecies listed by Williams et al. (1993).