Echis carinatus is a venomous viper species found in parts of the Middle East and Central Asia, and especially the Indian subcontinent. It is the smallest member of the big four snakes that are responsible for causing the most snakebite cases and deaths, due to various factors including their frequent occurrence in highly populated regions, and their inconspicuous nature. Five subspecies are currently recognized, including the nominate subspecies described here.
Echis coloratus is a venomous viper species endemic to the Middle East and Egypt. No subspecies are currently recognized.
Trimeresurus cantori, commonly known as Cantor's pit viper or Cantor's pitviper, is a species of venomous snake, a pit viper in the Subfamily Crotalinae of the family Viperidae. The species is endemic to the Nicobar Islands of India. It was named after Theodore Edward Cantor (1809-1860), a Danish naturalist serving as a surgeon with the East India Company in Calcutta. No subspecies are recognized as being valid.
Atheris squamigera is a viper species endemic to west and central Africa. No subspecies are currently recognized. Like all vipers, the species is venomous.
Echis is a genus of venomous vipers found in the dry regions of Africa, the Middle East, India, Sri Lanka and Pakistan. They have a characteristic threat display, rubbing sections of their body together to produce a "sizzling" warning sound. The name Echis is the Latin transliteration of the Greek word for "viper" (ἔχις). Their common name is "saw-scaled vipers" and they include some of the species responsible for causing the most snakebite cases and deaths in the world. Twelve species are currently recognized.
Atheris chlorechis is a venomous viper species found only in the forests of West Africa. No subspecies are currently recognized.
Echis hughesi is a species of venomous snake in the subfamily Viperinae of the family Viperidae. The species is endemic to Somalia. There are no subspecies which are currently recognized as being valid.
Echis jogeri is a species of venomous snake in the family Viperidae. The species is endemic to Mali. There are no subspecies which are recognized as being valid.
Echis leucogaster, also known as the white-bellied carpet viper or the Roman's saw-scaled viper, is a venomous viper species endemic to West and Northwest Africa. Its scientific name derives from its white (leuco-), unmarked belly (gaster). No subspecies are currently recognized.
Echis ocellatus, known by the common names West African carpet viper and ocellated carpet viper, is a highly venomous species of viper endemic to West Africa. No subspecies are currently recognized.
Echis pyramidum is a species of venomous viper endemic to Northeast Africa and the Arabian Peninsula. Three subspecies are currently recognized, including the nominate subspecies described here.
Echis carinatus astolae is a venomous viper subspecies endemic to Astola Island off the coast of Pakistan.
Echis carinatus multisquamatus is a venomous viper subspecies found in Uzbekistan, Turkmenistan, Iran, Afghanistan, and Pakistan.
Echis carinatus sochureki is a venomous viper subspecies found in India, Pakistan, Afghanistan, Iran, and parts of the Arabian Peninsula.
Echis pyramidum aliaborri is a venomous viper subspecies endemic to northern Kenya.
Trimeresurus sumatranus is a venomous pitviper species found in Thailand, Malaysia and Indonesia. Arboreal, its coloration is pale green with a red tail. Common names include Sumatran pitviper, Sumatran tree viper, and Sumatran pit viper.
Craspedocephalus brongersmai, also known commonly as Brongersma's pit viper, is a species of venomous snake in the subfamily Crotalinae of the family Viperidae. The species is native to islands off the west coast of Sumatra, Indonesia. There are no subspecies that are recognized as being valid.
Trimeresurus gracilis, commonly known as the Taiwan pit viper or Taiwan mountain pitviper, is a venomous pit viper species endemic to Taiwan. No subspecies are currently recognized. The species is known as kikushi habu in Japanese.
Garthius chaseni, commonly known as Chasen's mountain pit viper, Chasen's tree viper, and the Kinabalu brown pit viper, is a species of venomous pitviper in the family Viperidae. The species is endemic to the island of Borneo in Malaysia. No subspecies are currently recognized. It is monotypic in the genus Garthius.
Trimeresurus insularis is a venomous pit viper species found in eastern Java and the Lesser Sunda Islands. Common names include white-lipped island pitviper and Sunda Island pitviper.
