Agkistrodon is a genus of venomous pit vipers found in North America from the United States south to northern Costa Rica. Three species are currently recognized, all of them polytypic and closely related. Common names include: moccasins, copperheads, cantils. ==Name origin== The name Agkistrodon comes from the Greek words agkistron (ἄγκιστ Found on http://en.wikipedia.org/wiki/Agkistrodon
A genus of venomous snakes of the subfamily crotalinae. Twelve species of this genus are found in north and central america and asia. Agkistrodon contortrix is the copperhead, a. Piscivorus, the cottonmouth. The former is named for its russet or orange-brown colour, the latter for the white interior of its mouth. (goin, goin, and zug, introduction ... Found on http://www.encyclo.co.uk/local/20973
(ag-kis´trә-don) a genus of venomous pit vipers.A. contor´trix is the copperhead and A. pisci´vorus is the water moccasin. See also snakebite. Found on http://www.encyclo.co.uk/local/21001