triangular peaclam
- kingdom: Animalia
- phylum: Mollusca
- class: Bivalvia
- order: Venerida
- family: Sphaeriidae
- genus: Pisidium
- species: Pisidium variabile
Guelph
Ontario
Canada- Mexico
Moores Mill
Alabama- Euharlee
Georgia- Cambridge
- Somerville
- Topsfield
Massachusetts- Hartville
Missouri- Charlestown
New Hampshire- Bordentown
New Jersey- Plymouth
North Carolina- Tusculum
Tennessee
United States
Lerma de Villada