Chihuahuan Lyre Snake
Trimorphodon vilkinsonii
- T. vilkinsonii – Brewster Co, TX – photo by Rob Klockman
- T. vilkinsonii – El Paso Co, TX – photo by Michael Price
- T. vilkinsonii – Presidio Co, TX – photo by Benjamin Stupavsky
- T. vilkinsonii – Presidio Co, TX – photo by Benjamin Stupavsky
- T. vilkinsonii – Presidio Co, TX – photo by Nathan Wells
- T. vilkinsonii – Map by Tom Lott, SWCHR
DISTRIBUTION: In our region, Trimorphodon vilkinsonii occurs only in Trans-Pecos Texas from Big Bend National Park northwestward along the Rio Grande River to El Paso and also in south-central New Mexico along both sides of the Rio Grande River.
LEGAL STATUS: Trimorphodon vilkinsonii is protected as a Threatened Species in the State of Texas. It has no protected status in New Mexico.