Phylum Mollusca Linnaeus, 1758 - molluscs Subphylum Aculifera Hatschek, 1891 Class Aplacophora von Ihering, 1876 - aplacophorans see Phylum Mollusca Linnaeus, 1758 Subclass Neomeniomorpha Pelseneer, 1906 - neomenioids see Class Solenogastres Gegenbaur, 1878