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 Thecostraca Gruvel, 1905 - barnacles
Infraclass Cirripedia Burmeister, 1834 - barnacles
Superorder Thoracica Darwin, 1854
Order Sessilia Lamarck, 1818
1 Suborder Brachylepadomorpha Withers, 1923
2 Suborder Verrucomorpha Pilsbry, 1916
3 Suborder Balanomorpha Pilsbry, 1916