Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758
   Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795
     Clade Patellogastropoda Lindberg, 1986 see Order Patellogastropoda Lindberg, 1986
       Superfamily Lottioidea Gray, 1840
         1 Family Lottiidae Gray, 1840 - American limpets
         2 Family Acmaeidae Forbes, 1850 - American limpets
         3 Family Lepetidae Gray, 1850