unionidae
1. [ noun ] (biology,zoology) freshwater mussels found worldwide
Synonyms: family_Unionidae
Related terms: mollusk_family Bivalvia Anodonta Dreissena Unio
Similar spelling:   unwounded
  unwind
  unhindered
  unwound
  unowned
  unmined
  unwinding
  unmounted
  unmindful
  unmindfully