Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Mollusca Linnaeus, 1758 - molluscs
     1 Class Caudofoveata Boettger, 1956 - caudofoveatans
     2 Class Aplacophora von Ihering, 1876 - aplacophorans see Phylum Mollusca Linnaeus, 1758
     3 Class Monoplacophora Odhner, 1940 - monoplacophorans
     4 Class Polyplacophora Blainville, 1816 - chitons
     5 Class Gastropoda Cuvier, 1795 - snails and slugs
     6 Class Bivalvia Linnaeus, 1758 - bivalves
     7 Class Scaphopoda Bronn, 1862 - tusk shells
     8 Class Cephalopoda Cuvier, 1795 - cephalopods