Parmaphoridea

Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Gastropoda
Subclassis: Orthogastropoda
Superordo: Vetigastropoda
Superfamilia: Fissurelloidea
Familia: Fissurellidae
Subfamilia: Fissurellinae
Genus: Parmaphoridea
Species: P. antarctica - P. melvilli