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a genus of venomous pit vipers. A. contor´trix is the copperhead and A. pisci´vorus is the water moccasin. See also snakebite.


(ag-kis'tro-don?, ang-) [L. fr. Gr. ankistron, fishhook + Gr. odon, tooth]
A genus of ovoviviparous pit vipers found in the U.S. and Central America.

Agkistrodon contortix

See: copperhead

Agkistrodon piscivorus

See: cottonmouth