Checkered garter snake
| Checkered garter snake | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Serpentes |
| Family: | Colubridae |
| Genus: | Thamnophis |
| Species: | T. marcianus |
| Binomial name | |
| Thamnophis marcianus | |
| Synonyms | |
The checkered garter snake (Thamnophis marcianus) is a species of garter snake in the subfamily Natricinae of the family Colubridae. The species is native to the southwestern United States, Mexico, and Central America. There are two recognized subspecies.