1) Genus trimorphodon 2) Lyre snakes 3) Reptile genus 
Trimorphodon is a genus of mildly venomous, rear-fanged, colubrid snakes. They are commonly known as lyre snakes, named after the distinctive V shaped pattern on their head that is said to resemble the shape of a lyre. In Mexico, they are commonly called `víbora de uña,` or `nail viper.` The word Trimorphodon is a combination of three Greek ...
[n] - lyre snakes
genus Trimorphodon noun lyre snakes