quadrangular pillclam
- kingdom: Animalia
- phylum: Mollusca
- class: Bivalvia
- order: Venerida
- family: Sphaeriidae
- genus: Pisidium
- species: Pisidium milium
Achau
Lower AustriaBraunau am Inn
Upper Austria
AustriaDolnΓ Poustevna
ΓsteckΓ½
Czech RepublicBurglauer
Niederlauer
Simbach am Inn
BavariaHedeper
Lower SaxonyHerne
North Rhine-WestphaliaLangsur
Oberbillig
Palzem
Rheinland-Pfalz
Germany- Luxembourg
Utrecht
Utrecht
NetherlandsSaignelΓ©gier
JuraKirchberg
Saint GallenEinsiedeln
Schwyz
SwitzerlandBriston
England
United KingdomLake Villa
Illinois
United States