It is the genus of snakes that contains almost all of the known rattlesnakes, minus the rattlesnakes of the genus Sistrurus.
Western Diamondback Rattlesnake.The western diamondback rattlesnake.The Western Diamondback Rattlesnake. The genus Crotalus refers to rattlesnakes, and the genus Sistrurus to pygmy rattlesnakes, differentiated by size and 9 large scales on the top of their head.The Western Diamondback Rattlesnake. The genus Crotalus refers to rattlesnakes, and the genus Sistrurus to pygmy rattlesnakes, differentiated by size and 9 large scales on the top of their head.
Both te eastern and western diamondbacks are from the crotalus genus:Eastern Diamondback Rattlesnake - Crotalus adamanteusWestern Diamondback Rattlesnake - Crotalus atrox
Crotalus cobra
One genus of rattlesnakes (sistrurus) has large plates or scales on the head. The genus crotalus has small scales.
Rattlesnakes of the genus crotalus have small scales covering the top of the head. Those of the genus sirtrurushave large scales, or plates, on the top of the head.
There are two genera of rattlesnakes - Crotalus and Sistrurus. Each genus has a number of individual species such as:Crotalus viridis - prairie rattlesnakeCrotalus atrox - western diamondback rattlesnakeSistrurus catenatus - massasauga
There are two genera of rattlesnakes. Most belong to the crotalus genus. However, there are two species - the pygmy rattlesnake and the massasauga that belong to the genus sistrurus. Most are generally smaller in size than the crotalus species and have large plates on the top of the head rather than small scales.
In the genus sistrurus, some species only reach 1 and a half feet in length. In the genus crotalus, some Eastern Diamondbacks reach 7 feet (although this is very uncommon).
Crotalus Horridus Horridus and Crotalus Horridus Atricaudatus for the southern "canebrake" race.
Kingdom - Animalia, Phylum - Chordata, Class - Reptilia, Order - Squamata, Family - Viperidae, Genus - Crotalus, Species - atrox.
Crotalus atrox is the western diamondback rattlesnake.
Crotalus horridus was created in 1758.