Species

Unio crassus Philipsson, 1788

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Mollusca
Class	Bivalvia
Subclass	Palaeoheterodonta
Order	Unionida
Superfamily	Unionoidea
Family	Unionidae
Subfamily	Unioninae
Genus	Unio
Species	crassus
	pictorum
	tumidus