Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758 Aculifera Hatschek, 1891 see Subphylum Aculifera Hatschek, 1891 1 Polyplacophora J.E. Gray, 1821 see Class Polyplacophora Blainville, 1816 2 Aplacophora see Class Aplacophora von Ihering, 1876