Unio pictorum

Painter's mussel
Left valve of a brown shell
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Unionida
Family: Unionidae
Genus: Unio
Species:
U. pictorum
Binomial name
Unio pictorum
Distribution of Unio pictorum in Europe.

Unio pictorum, the painter's mussel, is a species of medium-sized freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.

This species lives in Europe. It is called the "painter's mussel" because the shell was historically used as a conveniently sized and shaped receptacle for holding artist's paint.

Subspecies
  • Unio pictorum alexeevi Mangikian, 1929
  • Unio pictorum pseudorumanus Chepalyga, 1967
  • Unio pictorum rumanoides Chepalyga, 1967