three-horn wartyback
- kingdom: Animalia
- phylum: Mollusca
- class: Bivalvia
- order: Unionida
- family: Unionidae
- genus: Obliquaria
- species: Obliquaria reflexa
Calhoun
Georgia- Hardin
Illinois- Smithland
Kentucky- Marksville
- Rayville
Louisiana- Hannibal
Missouri- Marietta
- Port Clinton
- Ripley
Ohio- Fairfax
Oklahoma- Coraopolis
Pennsylvania- Columbia
- Lenoir City
Tennessee- Boaz
- Williamstown
West Virginia
United States