Triodopsis fosteri
- kingdom: Animalia
- phylum: Mollusca
- class: Gastropoda
- order: Stylommatophora
- family: Polygyridae
- genus: Triodopsis
- species: Triodopsis fosteri
Havana- New Athens
- Valmeyer
Illinois- Columbus
- Indianapolis
- West Lafayette
Indiana- Erie
Kansas- Herculaneum
- Pevely
- Riverside
Missouri
United States