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Agkistrodon is a genus of pit vipers commonly known as American moccasins. [2] [3] The genus is endemic to North America, ranging from the Southern United States to northern Costa Rica. [1] Eight species are currently recognized, [4] [5] all of them monotypic and closely related. [6] Common names include: cottonmouths, copperheads, and cantils. [7]
Agkistrodon piscivorus is a species of venomous snake, a pit viper in the subfamily Crotalinae of the family Viperidae. It is one of the world's few semiaquatic vipers (along with the Florida cottonmouth ), and is native to the Southeastern United States . [ 5 ]
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.
Agkistrodon bilineatus is a highly venomous pit viper species found in Mexico and ... A species is listed as such when it has been evaluated against the criteria but ...
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 ...
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 eastern cottonmouth (Agkistrodon piscivorus piscivorus) [4] [5] was once classified as a subspecies of the cottonmouth (Agkistrodon piscivorus).However, DNA based studies published in 2008 and 2015, revealed no significant genetic difference between the eastern cottonmouth (Agkistrodon piscivorus piscivorus) and the western cottonmouth (Agkistrodon piscivorus leucostoma) and synonymized ...
The western cottonmouth (Agkistrodon piscivorus leucostoma) [2] [3] [4] was once classified as a subspecies of the cottonmouth (Agkistrodon piscivorus).However, DNA based studies published in 2008 and 2015, revealed no significant genetic difference between the eastern cottonmouth (Agkistrodon piscivorus piscivorus) and the western cottonmouth (Agkistrodon piscivorus leucostoma) and ...