Lyre Snakes
Trimorphodon
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 words, 'tri' - three, 'morph' - shape, and 'odon' - teeth, which refers to the three distinct kinds...
7 branches of this genus, most-observed first · about 7 known species
Sonoran Lyre Snake
speciesTrimorphodon lambda
Mexican Lyre Snake
speciesTrimorphodon tau
California Lyresnake
speciesTrimorphodon lyrophanes
Central American Lyresnake
speciesTrimorphodon quadruplex
Sinaloan Lyresnake
speciesTrimorphodon paucimaculatus
Western Lyre Snake
speciesTrimorphodon biscutatus
Texas Lyre Snake
speciesTrimorphodon vilkinsonii
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Trimorphodon in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 28267.