Unio pictorum (Linnaeus 1758) - Encyclopedia of Life
Unio pictorum, Print, 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 Stock Photo - Alamy
Unio pictorum hi-res stock photography and images - Alamy
Unio pictorum - Wikipedia
Photos of Painter's Mussel (Unio pictorum) · iNaturalist