Threeridge mussel
- kingdom: Animalia
- phylum: Mollusca
- class: Bivalvia
- order: Unionida
- family: Unionidae
- genus: Amblema
- species: Amblema plicata
- Parkin
Arkansas- Columbus
Georgia- Burr Ridge
- Hardin
- Prophetstown
- Rock Island
Illinois- Davenport
Iowa- Alexandria
- Pineville
- Rayville
Louisiana- Lake City
Minnesota- Jackson
Mississippi- Eureka
- Paris
- Valley Park
Missouri- Fairfax
Oklahoma- Coraopolis
Pennsylvania- North La Crosse
- Prairie du Chien
Wisconsin
United States