Margaritiferidae

Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Bivalvia
Subclassis: Paleoheterodonta
Ordo: Unionoida
Superfamily: Unionoidea
Familia: Margaritiferidae
Genera: Ctenodesma - Cumberlandia - Dahurinaia - Heudeana - Margaritanopsis - Margaritifera - Pseudunio - Ptychorhynchus - Shepmania