Phylum Mollusca Linnaeus, 1758 - molluscs Conchifera Gegenbaur, 1878 see Subphylum Conchifera Gegenbauer, 1878 Class Scaphopoda Bronn, 1862 - tusk shells Order Dentaliida Starobogatov, 1974 Family †Prodentaliidae Starobogatov, 1974 [monotypic] 1 Genus †Prodentalium Young, 1942