Jumping Pitvipers (Metlapilcoatlus)
Lower Classification
- Boreal jumping pit viper (Metlapilcoatlus borealis)
- Botaderos jumping pit viper (Metlapilcoatlus indomitus)
- Central American jumping pit viper (Metlapilcoatlus mexicanus)
- Mexican jumping pit viper (Metlapilcoatlus nummifer)
- Guatemalan jumping pit viper (Metlapilcoatlus occiduus)
- Tuxtlan jumping pit viper (Metlapilcoatlus olmec)