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 Acrothoracica Gruvel, 1905
Order Pygophora Berndt, 1907
1 Family Cryptophialidae Gerstaecker, 1866
2 Family Lithoglyptidae Aurivillius, 1892