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Toxicofera (Greek for "those who bear toxins") is a proposed clade of scaled reptiles (squamates) that includes the Serpentes (snakes), Anguimorpha (monitor lizards, beaded lizards, and alligator lizards) and Iguania (iguanas, agamas, and chameleons).
Snake venom is a highly toxic saliva [1] containing zootoxins that facilitates in the immobilization and digestion of prey. This also provides defense against threats. This also provides defense against threats.
The evolutionary history of snake venom is a matter of debate. Historically, snake venom was believed to have evolved once, at the base of the Caenophidia , or derived snakes. Molecular studies published beginning in 2006 suggested that venom originated just once among a putative clade of reptiles, called Toxicofera , approximately 170 million ...
Snake antivenom is a medication made up of antibodies used to treat snake bites by venomous snakes. [1] It is a type of antivenom . It is a biological product that typically consists of venom neutralizing antibodies derived from a host animal, such as a horse or sheep.
Lachesis muta is the third longest venomous snake in the world, exceeded in length only by the king cobra and the black mamba. Weight in this species is estimated at an average of 3 to 5 kg (6.6 to 11.0 lb), somewhat less than the heaviest rattlesnakes (like the eastern diamondback rattlesnake ) or Bitis vipers (such as the Gaboon viper and ...
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The soil-crack whip snake was initially named the ‘collared whipsnake’ (Demansia torquate) in 1862. It was not until 2007 that it was discovered that there were 2 species, one located in coastal Queensland, and the other in central Australia which we now know as the soil-crack whip snake (Demansia rimicola).
Sibon noalamina is a species of snail-eating snake discovered in 2012 from western Panama.It belongs to the genus Sibon.It has a striking defensive mechanism from predators by mimicking the light and dark stripes of venomous coral snakes.