[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Mollusca Linnaeus, 1758 - molluscs
     1 Class Aplacophora von Ihering, 1876 - aplacophorans see Phylum Mollusca Linnaeus, 1758
     2 Class Monoplacophora Odhner, 1940 - monoplacophorans
     3 Class Polyplacophora Blainville, 1816 - chitons
     4 Class Gastropoda Cuvier, 1795 - snails and slugs
     5 Class Bivalvia Linnaeus, 1758 - bivalves
     6 Class Scaphopoda Bronn, 1862 - tusk shells
     7 Class Cephalopoda Cuvier, 1795 - cephalopods