Creeper
- kingdom: Animalia
- phylum: Mollusca
- class: Bivalvia
- order: Unionida
- family: Unionidae
- genus: Strophitus
- species: Strophitus undulatus
New Haven
Connecticut- Rockdale
Illinois- Winona Lake
Indiana- Glenmora
Louisiana- Norway
Maine- Cavetown
- Glassmanor
- Smithsburg
Maryland- Grosse Pointe Park
Michigan- Union
Missouri- Bent Creek
- Louisburg
- Mills River
- Morrisville
- Polkton
North Carolina- West Jefferson
Ohio- Cheraw
- Chesterfield
South Carolina- Nashville
Tennessee- Washington, D. C.
Washington, D.C.- Mukwonago
Wisconsin
United States