Phylum Mollusca Linnaeus, 1758 - molluscs
Subphylum Conchifera Gegenbauer, 1878
Class Gastropoda Cuvier, 1795 - snails and slugs
Subclass Orthogastropoda Ponder & Lindberg, 1995
Superorder Vetigastropoda Salvini-Plawen, 1980
see Order Vetigastropoda Salvini-Plawen, 1980
Superfamily Fissurelloidea Fleming, 1822
Family Fissurellidae Fleming, 1822 - keyhole limpets
Subfamily Fissurellidinae Pilsbry, 1890, orth. inval.
see Subfamily Fissurellideinae Pilsbry, 1890