ridgebeak peaclam
- kingdom: Animalia
- phylum: Mollusca
- class: Bivalvia
- order: Venerida
- family: Sphaeriidae
- genus: Pisidium
- species: Pisidium compressum
Guelph
Ontario
Canada
Dunnellon
Florida- Lake Villa
Illinois- Salisbury
Massachusetts- Grand Rapids
Michigan- Hartville
Missouri- Charlestown
New Hampshire- Northwest Ithaca
New York- Menard
- New Braunfels
Texas
United States