Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Arthropoda Siebold, 1848 - arthropods
     Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
       Class Maxillopoda Dahl, 1956 see Subphylum Pancrustacea Zrzavý et al., 1997
         Subclass Cirripedia Lamarck - barnacles and their kin see Infraclass Cirripedia Burmeister, 1834
           Order Thoracica Darwin, 1854 - goose and acorn barnacles see Superorder Thoracica Darwin, 1854
             Genus Balanus Da Costa, 1778
             Genus Chthamalus Ranzani, 1817
             Genus Conchoderma von Olfers, 1817
             Genus Coronula Bruguière, 1792
             Genus Koleolepas Stebbing, 1900
             Genus Lepas Linnaeus, 1758
             Genus Pollicipes Leach, 1817
             Genus Semibalanus Pilsbry, 1916
             Genus Tetraclita Schumacher, 1817
             Genus Verruca Schumacher, 1817 - wart barnacle