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This is a list of the scientific names of extant snakes. It includes 517 genera and 3,738 species: [1] Acanthophis Acanthophis antarcticus Acanthophis cryptamydros
The resulting thinning of the forest canopy leads to the drying of the moss mats that are essential for the spider's survival, as it requires climates of high and constant humidity. [3] These spiders have survived in temperatures that range between -17.8 °C or 0 °F and 19.8 °C or 67.6 °F within mountainous regions of the Southern Appalachians.
The spider-tailed horned viper (Pseudocerastes urarachnoides) is a species of viper, a venomous snake, in the family Viperidae and genus Pseudocerastes. The genus is commonly known as "false-horned vipers". [3] The species is endemic to western Iran [4] and over the border region with Iraq.
Segestria senoculata, sometimes known as the snake-back spider, is a species of spider belonging to the family Segestriidae.It has a Palearctic distribution.. The common names of this species (which has a body length of around 9 mm) refer to a row of black spots along the back of the grey abdomen which are thought to resemble the pattern found on some snakes.
The other two, the barred grass snake and the smooth snake, are non-venomous. [ 18 ] Sufficient habitat complexity is a crucial requirement for the presence of this species, in order to support its various behaviours—basking, foraging, and hibernation—as well as to offer some protection from predators and human harassment.
Many of these spiders are well adapted to killing other large arthropods and will also sometimes kill small mammals, birds, and reptiles. Despite their fearsome appearance and reputation, most mygalomorph spiders are not harmful to humans, with the exception of the Australian funnel-web spiders, especially those of the genus Atrax. [citation ...
The order Primates consists of 505 extant species belonging to 81 genera. This does not include hybrid species or extinct prehistoric species. Modern molecular studies indicate that the 81 genera can be grouped into 16 families; these families are divided between two named suborders and are grouped in those suborders into named clades, and some of these families are subdivided into named ...
It is often confused with the black mamba, as it can raise its head in a similar fashion to the mambas, cobras and other elapid snakes; however, unlike the aforementioned species, the olive grass snake is opisthoglyphous (rear-fanged), with small teeth located at the back of the mouth that deliver mild venom (and/or toxic salival compounds ...