Sinaloan long-tailed rattlesnake
Western Mexico: eastern Sinaloa, western Durango, and probably northern Nayarit (McDiarmid et al., 1999).
Tropical deciduous forests, subtropical dry forests, and pine-oak forests between 500 and 1200 m elevation (McDiarmid et al., 1999).
Holotype: USNM 46586; given as 46486 in the original description (McDiarmid et al., 1999).
Type-locality: "Plumosas (Plomosas) Sinaloa, Mexico." (McDiarmid et al., 1999).
