Marcy’s Checkered Gartersnake
Thamnophis marcianus marcianus
- T. m. marcianus – Bell Co, TX – photo by Diego Ortiz
- T. m. marcianus – Cochise Co, AZ – photo by Kerby Ross
- T. m. marcianus – Dickens Co, TX – photo by Ben Stupavsky
- T. m. marcianus – Hidalgo Co, NM – photo by Michael Price
- T. m. marcianus – Zavala Co, TX – photo by Jason Penney
- Map by Steve Bledsoe, SWCHR
DISTRIBUTION: In our region, Thamnophis m. marcianus occurs throughout the western 2/3 of Texas, the eastern and southern portions of New Mexico, and in southeastern Arizona.
LEGAL STATUS: No Listings
MEANING OF SCIENTIFIC NAME: Thamnophis marcianus marcianus (Baird & Girard – 1853)
Genus: Thamnophis, Greek – thamnos = shrub or bush + ophis = snake, serpent
Species/Subspecies: marcianus, honors Randolph B. Marcy
Ref. Ellen Beltz 2006
Ref. E. Jaeger 1962





