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Agkistrodon is a genus of pit vipers commonly known as American moccasins. [3] [4] The genus is endemic to North America, ranging from the Southern United States to northern Costa Rica. [2] Eight species are currently recognized, [5] [6] all of them monotypic and closely related. [7] Common names include: cottonmouths, copperheads, and cantils. [8]
The western cottonmouth (A. p. leucostoma) was synonymized with the eastern cottonmouth (A. p. piscivorus) into one species (with the oldest published name, A. p. piscivorus, having priority). The Florida cottonmouth (A. p. conanti) is now recognized as a separate species. [19] Agkistrodon piscivorus (Lacépéde, 1789), [16] northern ...
The eastern copperhead (Agkistrodon contortrix), [3] also known simply as the copperhead, is a species of venomous snake, a pit viper, endemic to eastern North America; it is a member of the subfamily Crotalinae in the family Viperidae.
Common names: Eastern cottonmouth, cottonmouth moccasin, water moccasin, moccasin [4] [5] Agkistrodon piscivorus piscivorus was previously identified as one of three subspecies of Agkistrodon piscivorus, with different geographic distributions, [6] found in the southeastern United States.
The Florida cottonmouth (Agkistrodon conanti) is a species of venomous snake, a pit viper in the subfamily Crotalinae of the family Viperidae.The species is endemic to the United States, where it occurs in southern Georgia and the Florida peninsula in nearly every type of wetlands in the region, including brackish water and offshore islands.
The molecular evidence indicates the genus Agkistrodon is a monophyletic group, with the copperheads, (A. contortrix and A. laticinctus) the most basal (ancestral) lineage of the genus, the cottonmouths (A. piscivorus) basal to the four cantil species, Taylor's cantil basal to the common cantil (A. bilineatus), which is basal to the Yucatecan cantil (A. russeolus) and the castellaana (A ...
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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 ... Agkistrodon Agkistrodon bilineatus