genus Natrix

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Noun1.genus Natrix - water snakesgenus Natrix - water snakes; a cosmopolitan genus  
reptile genus - a genus of reptiles
Colubridae, family Colubridae - nonvenomous snakes; about two-thirds of all living species
banded water snake, common water snake, Natrix sipedon, Nerodia sipedon - in some classifications placed in the genus Nerodia; western United States snake that seldom ventures far from water
water moccasin - any of numerous North American water snakes inhabiting fresh waters
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References in periodicals archive ?
Chromosomal analysis of three North American species of water snakes (genus Natrix).