Phylum Mollusca Linnaeus, 1758 - molluscs Subphylum Conchifera Gegenbauer, 1878 Class Gastropoda Cuvier, 1795 - snails and slugs Subclass Orthogastropoda Ponder & Lindberg, 1995 Superorder Caenogastropoda Cox, 1960 Order Architaenioglossa Haller, 1892 Superfamily Cyclophoroidea Gray, 1847 Family Cochlostomatidae Kobelt, 1902 see Subfamily Cochlostomatinae Kobelt, 1902