Blackbelly Garter Snake
- kingdom: Animalia
- phylum: Chordata
- class: Reptilia
- order: Squamata
- family: Natricidae
- genus: Thamnophis
- species: Thamnophis melanogaster
- Palo Alto
Aguascalientes- Peñón Blanco
Durango- Cuauhtémoc
- Mexico City
Mexico City- Huitzilac
- Tres Marías
Morelos
Mexico