Agkistrodon

(ag-kis′trŏ-don″)

(ang-kis′trŏ-don″)
[L. fr. Gr. ankistron, fishhook + Gr. odōn, tooth]
A genus of ovoviviparous pit vipers found in the U.S. and Central America.

Agkistrodon contortrix

SEE: copperhead

Agkistrodon piscivorus

SEE: cottonmouth