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 Chthamalus Ranzani, 1817