Genus
Hypnale
4 species
The list of species of Hypnale genus
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The list of species of Hypnale genus
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The Hump-nosed viper (Hypnale hypnale) is a highly venomous pit viper species native to South Asia. It is known to cause the highest number of recorded snake bites in Sri Lanka.
Hypnale nepa, the Sri Lankan hump-nosed viper, is a venomous pitviper species endemic to Sri Lanka where it is known as මූකලන් තෙලිස්සා (mukalan thelissa) in Sinhala. Earlier thought that Hypnale walli and Hypnale nepa were two distinct species, but...
Hypnale zara, the lowlands hump-nosed pit viper, is a venomous pitviper species endemic to Sri Lanka. It is distinguished from Hypnale nepa by variably colored body and less upcurved snout. No subspecies are currently recognized.
Hypnale walli, or Wall's hump-nosed viper, is a venomous pitviper species endemic to Sri Lanka. The smallest member of its genus, it is distinguished by having a strongly upturned nose and lower scale counts. No subspecies are currently recognized.