Crotalus cerastes laterorepens

Common names: Colorado Desert sidewinder.^[2]

Crotalus cerastes laterorepens is a venomous pitviper subspecies^[3] found in an area that centers around the Colorado Desert in the southwestern United States and northwestern Mexico.

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Description

This form has the following distinguishing characteristics: the proximal rattle-matrix lobe is black in adult specimens, the ventral scales number 137-151/135-154 in males/females, the subcaudals number 19-26/14-21 in males/females, and there are usually 23 rows of midbody dorsal scales.^[4]

Geographic range

Found in the desert areas in the United States from central and eastern Riverside County, California, to Pinal County, Arizona, south to northwestern Sonora in Mexico, and northwest to northeastern Baja California. From the Colorado River to the desert foothills at elevations between 152 and 610 m.^[2] The type locality given is "The Narrows, San Diego County, California" (USA).^[1]

Campbell and Lamar (2004) describe its range as the desert regions of southeastern California, southwestern Arizona, as well as the western panhandle region of the Sonoran Desert.^[4]

See also

• List of crotaline species and subspecies
• Crotalus by common name
• Crotalus by taxonomic synonyms
• Crotalinae by common name
• Crotalinae by taxonomic synonyms
• Snakebite

References