Type in your city to search permit holders near you. Viperidaes are the family that includes rattlesnakes, vipers, puff adders and water moccasins; Elapidae includes cobras, death adders, coral snakes and mambas; Colubridae includes the brown tree snake, boomslang, various species of cat snake; Helodermatidae includes enomous lizards, such as the Gila monster.