Cross-banded mountain rattlesnake
Central Mexico, in the states of Mexico and Morelos; known only from the Sierra Ajusco and the Sierra de Monte Alto of the Transverse Volcanic Cordillera (McDiarmid et al., 1999).
Holotype: FMNH 100129 (formerly EHT-HMS 30001) (McDiarmid et al., 1999).
Type-locality: "about 55 km. SW México (city), near Tres Marías (Tres Cumbres), Morelos (Mexico), elevation about 10,000 ft." David and Smith, 1953, Herpetologica 8:133-143[141], gave reasons for considering the type-locality to be "Laguna Zempoala, México (state)." (McDiarmid et al., 1999).
Crotalus transversus, or the Cross-banded Mountain Rattlesnake, is a venomous pit viper species found in central Mexico, known from less than 20 specimens.[3] No subspecies are currently recognized.[4]
Adult females grow to a maximum recorded length of 46.5 cm (18.3 in). The length of the tail represents 10.5% of total body length in males and 7.1-7.9% in females.[3]
It is found in central Mexico in the Sierra Ajusco and the Sierra de Monte Alto of the Transverse Volcanic Cordillera in the states of México and Morelos at elevations exceeding 2,900 m (9,500 ft) in temperate boreal forests. The type locality given is "about 55 km. SW México (city), near Tres Marías (Tres Cumbres), Morelos [Mexico], elevation about 10,000 ft." (3,000 m)[2]
This species is classified as Least Concern on the IUCN Red List of Threatened Species.[5] The population trend was stable when assessed in 2007.[6]
Crotalus transversus, or the Cross-banded Mountain Rattlesnake, is a venomous pit viper species found in central Mexico, known from less than 20 specimens. No subspecies are currently recognized.
