Blackbelly Garter Snake
- kingdom: Animalia
- phylum: Chordata
- class: Reptilia
- order: Squamata
- family: Natricidae
- genus: Thamnophis
- species: Thamnophis melanogaster
Palo Alto
AguascalientesPeñón Blanco
DurangoCuauhtémoc
Mexico City
Mexico CityHuitzilac
Tres Marías
Morelos
Mexico