Mammalia - Rodentia - Heteromyidae

Alternative combination: Perognathus arenarius

Synonym: Perognathus dalquesti Roth 1976

Belongs to Chaetodipus according to D. E. Wilson and D. M. Reeder 1993

Sister taxa: Chaetodipus artus, Chaetodipus baileyi, Chaetodipus californicus, Chaetodipus fallax, Chaetodipus formosus, Chaetodipus goldmani, Chaetodipus hispidus, Chaetodipus intermedius, Chaetodipus lineatus, Chaetodipus nelsoni, Chaetodipus penicillatus, Chaetodipus pernix, Chaetodipus spinatus

Ecology: ground dwelling granivore-browser