Arctic-alpine Pea Clam

Conventus conventus

Painter's Mussel

Unio pictorum

Oval Orb Mussel

Sphaerium ovale

Dark False Mussel

Mytilopsis leucophaeata

Duck Mussel

Anodonta anatina

River Pea Mussel

Pisidium amnicum

River Orb Mussel

Sphaerium rivicola

Lake Orb Mussel

Sphaerium lacustre

Long Fingernail Clam

Sphaerium transversum

Walden's Pea Mussel

Euglesa waldeni

Witham Orb Mussel

Sphaerium solidum

Odhneripisidium annandalei