Kingdom Animalia Linnaeus, 1758 - animals
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   Phylum Arthropoda Siebold, 1848 - arthropods
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     Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
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       Class Maxillopoda Dahl, 1956 see Subphylum Pancrustacea Zrzavý et al., 1997
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         Subclass Cirripedia Lamarck - barnacles and their kin see Infraclass Cirripedia Burmeister, 1834
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           1 Order Thoracica Darwin, 1854 - goose and acorn barnacles see Superorder Thoracica Darwin, 1854
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           2 Order Ascothoracica see Infraclass Ascothoracida Lacaze-Duthiers, 1880
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           3 Order Acrothoracica Gruvel, 1905 - boring barnacles see Superorder Acrothoracica Gruvel, 1905
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           4 Order Rhizocephala Müller, 1862 see Superorder Rhizocephala Müller, 1862
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