Field's horned viper, Pseudocerastes fieldi, is a venomous viper species endemic to the deserts of the Middle East. It was previously considered a subspecies of the Persian horned viper. The main differences between this species and the Persian horned viper are in scalation and venom composition.
Pseudocerastes is a genus of venomous vipers endemic to the Middle East and Asia. It was originally a monotypic genus created in 1896 by Boulenger for the species Pseudocerastes persicus, but three species are now recognised: the spider-tailed horned viper ; Persian horned viper and Field's horned viper.
The Persian horned viper is a species of venomous vipers endemic to the Middle East and Asia.
The spider-tailed horned viper, also known as spider-snake, is a species of viper, a venomous snake in the family Viperidae and genus Pseudocerastes. The genus is commonly known as "false-horned vipers".
Caryospora is a genus of parasitic protozoa in the phylum Apicomplexa. The species in this genus infect birds and reptiles with the majority of described species infecting snakes. It is the third largest genus in the family Eimeriidae.
Wallaceophis is a genus of snake in the family Colubriadae. It was first described in 2016. The sole species is Wallaceophis gujaratensis which is found in the Indian state of Gujarat. Wallaceophis gujaratenisis is presently known from just seven localities of Gujarat and virtually nothing is known about its biology. Common names Wallace's striped snake and Wallace's racer has been suggested for it.