Bivalvia
Species

Unio pictorum Linnaeus, 1758

Classification
Organism groupBiota
KingdomAnimalia
PhylumMollusca
ClassBivalvia
SubclassPalaeoheterodonta
OrderUnionida
SuperfamilyUnionoidea
FamilyUnionidae
SubfamilyUnioninae
GenusUnio
Speciescrassus
pictorum
tumidus