Mapleleaf mussel
- kingdom: Animalia
- phylum: Mollusca
- class: Bivalvia
- order: Unionida
- family: Unionidae
- genus: Quadrula
- species: Quadrula quadrula
- Four Cross Roads
Saint John
Barbados- Hardin
- Metropolis
- Rock Island
Illinois- Lafayette
Indiana- Davenport
Iowa- Oak Grove
Kentucky- Jackson
Mississippi- Coraopolis
Pennsylvania- Columbia
Tennessee- Williamstown
West Virginia
United States