Subspecies and Distribution. C.i.intermediusMerriam,1889—SWUSAandNMexico(SonoranDesertofWArizonaacrossSArizonaandNSonora,ChihuahuanDesertofC&SNewMexico,WTexas,andNChihuahua). C.i.aterDice,1929—SWUSA(restrictedtotheCarrizozolavafieldofSCNewMexico). C.i.beardiWeckerly,Gennaro&Best,1988—SWUSA(restrictedtothePedroArm-endarizlavafieldofSNewMexico). C.i.eninitusBenson,1934—SWUSA(SCUtahandNArizona). C.i.lithophilusHuey,1937NWMexico(NWSonora). C.i.minimusBurt,1932—NWMexico(Turner[=Datil]I,GulfofCalifornia,Sonora). C.i.phasmaGoldman,1918—SWUSAandNWMexico(restricteddistributioninextremeSWArizonaandextremeNWSonora). C. i. rupestris Benson, 1932 — SW USA (restricted to the Afton lava field of S New Mexico). in Heteromyidae

Subspecies and Distribution. C.i.intermediusMerriam,1889—SWUSAandNMexico(SonoranDesertofWArizonaacrossSArizonaandNSonora,ChihuahuanDesertofC&SNewMexico,WTexas,andNChihuahua). C.i.aterDice,1929—SWUSA(restrictedtotheCarrizozolavafieldofSCNewMexico). C.i.beardiWeckerly,Gennaro&Best,1988—SWUSA(restrictedtothePedroArm-endarizlavafieldofSNewMexico). C.i.eninitusBenson,1934—SWUSA(SCUtahandNArizona). C.i.lithophilusHuey,1937NWMexico(NWSonora). C.i.minimusBurt,1932—NWMexico(Turner[=Datil]I,GulfofCalifornia,Sonora). C.i.phasmaGoldman,1918—SWUSAandNWMexico(restricteddistributioninextremeSWArizonaandextremeNWSonora). C. i. rupestris Benson, 1932 — SW USA (restricted to the Afton lava field of S New Mexico).