Venomous reptiles of the United States, Canada, and northern Mexico

v. 1. Heloderma, Micruroides, Micrurus, Pelamis, Agkistrodon, Sistrurus

v. 2. Crotalus. Eastern diamond-backed rattlesnake ; Western diamond-backed rattlesnake ; Mexican west coast rattlesnake ; Santa Catalina Island rattleless rattlesnake ; Sidewinder ; Baja California rattlesnake ; Southern Pacific rattlesnake ; Timber rattlesnake ; Rock rattlesnake ; Speckled rattlesnake ; Black-tailed rattlesnake ; Northern pacific rattlesnake ; Twin-spotted rattlesnake ; Red diamond rattlesnake ; Mojave rattlesnake ; Panamint rattlesnake ; Tiger rattlesnake ; Tortuga Island rattlesnake ; Totonacan rattlesnake ; Western rattlesnake ; Ridge-nosed rattlesnake.