Peromyscus dickeyi Burt, 1932 . Trans. San Diego Soc. Nat. Hist., 7:176.
TYPE LOCALITY: Mexico, Baja California Sur, Tortuga Island, 27°21'N, 111°54'W .
DISTRIBUTION: Known only from Tortuga Island.
COMMENTS: Genetically similar to P. eremicus (Avise et al., 1974b) and presumably originated from an eremicus-like progenitor (Lawlor, 1983). P. eremicus species group.