Dipodomys ordii Woodhouse, 1853 . Proc. Acad. Nat. Sci. Philadelphia, 6:224.

TYPE LOCALITY: USA, Texas, El Paso Co., El Paso .

DISTRIBUTION: SW Saskatchewan and SE Alberta (Canada) and SE Washington south through Great Plains and intermontane basins of western USA, to Mexican Plateau as far south as Hidalgo (Mexico).

SYNONYMS: attenuatus Bryant, celeripes Durrant and Hall, chapmani Mearns, cinderensis Hardy, cineraceus Goldman, columbianus Merriam, cupidineus Goldman, durranti Setzer, evexus Goldman, extractus Setzer, fetosus Durrant and Hall, fremonti Durrant and Setzer, idoneus Setzer, inaquosus Hall, longipes Merriam, luteolus Goldman, marshalli Goldman, médius Setzer, monoensis Grinnell, montanus Baird, nexilis Goldman, obscurus J. A. Allen, oklahomae Trowbridge and Whitaker, pallidus Durrant and Setzer, paimeri J. A. Allen, panguitchensis Hardy, priscus Hoffmeister, pullus Anderson, richardsoni J. A. Allen, sanrafaeli Durrant and Setzer, terrosus Hoffmeister, uintensis Durrant and Setzer, utahensis Merriam.

COMMENTS: Revised by Setzer (1949) and reviewed by Garrison and Best (1990, Mammalian Species, 353). Does not include compactus, see Schmidly and Hendricks (1976), Baumgardner and Schmidly (1981), and comment under that species.