humpbacked peaclam
- kingdom: Animalia
- phylum: Mollusca
- class: Bivalvia
- order: Venerida
- family: Sphaeriidae
- genus: Pisidium
- species: Pisidium supinum
Steyregg
Upper Austria
Austria
Bodenfelde
Lower Saxony- Greven
- Güstrow
- Kogel
- Wendisch Waren
Mecklenburg-Vorpommern- Greven
- Lügde
- Metelen
- Schöppingen
North Rhine-Westphalia- Langsur
- Oberbillig
- Palzem
Rheinland-Pfalz- Gardelegen
- Halle Neustadt
- Sandau
- Zielitz
Saxony-Anhalt
Germany- Luxembourg
Maysville
North Carolina
United States
Remich