Natrix

Natrix is a genus of colubrid snakes. There are three or four species in the genus. They are collectively called grass snakes and water snakes. However, some other snake species known as `grass snakes` and `water snakes` are not of the genus Natrix. Genus includes: ...
Found on http://en.wikipedia.org/wiki/Natrix

Natrix

genus Natrix noun water snakes; a cosmopolitan genus
Found on https://www.encyclo.co.uk/local/20974

Natrix

[n] - water snakes
Found on http://www.webdictionary.co.uk/definition.php?query=Natrix
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