Dialysis dispar
- kingdom: Animalia
- phylum: Mollusca
- class: Bivalvia
- order: Myida
- family: Xylophagidae
- genus: Dialysis
- species: Dialysis dispar
Agassiz
Armstrong
Oak Bay
White Rock
British Columbia
CanadaEureka
CaliforniaCorvallis
Forest Grove
Salem
OregonFort Lewis
Seattle
Sumner
Tenino
Walla Walla
Walla Walla East
Washington
United States