Phylum Mollusca Linnaeus, 1758 - molluscs Conchifera Gegenbaur, 1878 see Subphylum Conchifera Gegenbauer, 1878 Class Scaphopoda Bronn, 1862 - tusk shells Order Dentaliida Starobogatov, 1974 Family Gadilinidae Chistikov, 1975 Subfamily Episiphoninae Chistikov, 1975 [monotypic] Genus Episiphon Pilsbry & Sharp, 1897