Sphaerodoma primogenius
- kingdom: Animalia
- phylum: Mollusca
- class: Gastropoda
- order:
- family: Sphaerodomidae
- genus: Sphaerodoma
- species: Sphaerodoma primogenius
Springfield
Illinois- Winterset
Iowa- Graham
Texas
United States
Sphaerodoma primogenius Springfield Winterset Graham