Subspecies and Distribution. C.h.hispidusBaird,1858—SWUSA,NE&NCMexico(GulfcoastofSTexas,NECoahuila,NENuevoLeon,Tamaulipas,andAltiplanoofECDurangoandNSanLuisPotositoHidalgo). C.h.conditiJ.A.Allen,1894—SWUSAandNMexico(C.h.DesertfromSEArizonaandSWNewMexico,CC.h.,toNCDurango). C. h. paradoxus Merriam, 1889 — WC USA (Great Plains of S North Dakota to E New Mexico, N & C Texas, and W Louisiana). in Heteromyidae

Subspecies and Distribution. C.h.hispidusBaird,1858—SWUSA,NE&NCMexico(GulfcoastofSTexas,NECoahuila,NENuevoLeon,Tamaulipas,andAltiplanoofECDurangoandNSanLuisPotositoHidalgo). C.h.conditiJ.A.Allen,1894—SWUSAandNMexico(C.h.DesertfromSEArizonaandSWNewMexico,CC.h.,toNCDurango). C. h. paradoxus Merriam, 1889 — WC USA (Great Plains of S North Dakota to E New Mexico, N & C Texas, and W Louisiana).