The Crotalinae, commonly known as pit vipers, or pit adders, are a subfamily of vipers found in Asia and the Americas. Like all other vipers, they are...

lancehead, is a species of highly venomous pit viper in the subfamily Crotalinae of the family Viperidae. The species is found exclusively on the island...

heat-sensing pit organs that characterize their sister group, the subfamily Crotalinae. Currently, 13 genera are recognized. Most are tropical and subtropical...

venomous snakes that form the genera Crotalus and Sistrurus of the subfamily Crotalinae (the pit vipers). All rattlesnakes are vipers. Rattlesnakes are predators...

the families of Boidae (boas), Pythonidae (pythons), and the subfamily Crotalinae (pit vipers). What is commonly called a pit organ allows these animals...

activator Viperidae, Crotalinae Heparinase Crotalinae α-Fibrinogenase Viperidae, Crotalinae β-Fibrinogenase Viperidae, Crotalinae α-β-Fibrinogenase Bitis...

(Didelphini) are immune to the venom of rattlesnakes and pit vipers (Crotalinae) and regularly prey upon these snakes. This adaptation seems to be unique...

this genus does not have the heat-sensitive pit organs common to the Crotalinae, it is one of a number of viperines that are apparently able to react...

rattlesnakes, massasaugas Sistrurus is a genus of pit vipers in the subfamily Crotalinae of the family Viperidae. The genus is endemic to Canada, the United States...

the Batanes pit viper, is a species of venomous snake in the subfamily Crotalinae of the family Viperidae. The species is endemic to the Philippines. The...