Order Rodentia - Family Cricetidae Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2 955 1189 book chapter 0-8018-8221-4 10.5281/zenodo.7316535 Neotoma (Neotoma) stephensi Goldman 1905 Neotoma (Neotoma) stephensi Goldman 1905 , Proc. Biol. Soc. Wash., 18: 32 . Type Locality: USA , Arizona , Mohave Co., Hualapai Mtns, 6300 ft ( 1920 m ). Vernacular Names: Stephen's Woodrat . Synonyms: Neotoma (Neotoma) relicta Goldman 1932 . Distribution: Extreme SC Utah , N Arizona , and NW New Mexico , USA . Conservation: IUCN – Lower Risk (lc). Discussion: Subgenus Neotoma , lepida species group ( sensu Edwards and Bradley, 2002 b ). Morphological separation from N. lepida and geographic variation reviewed by Hoffmeister and de la Torre (1960) . Sister taxon to N. mexicana sensu lato based on phallic morphology ( Hooper, 1960 ) and restriction-site analysis of mitochondrial DNA ( Planz et al., 1996 ), but associated with the lepida complex based on cytochrome b sequence data ( Edwards and Bradley, 2002 b ). See Jones and Hildreth (1989 , Mammalian Species, 328).