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 Pedunculata Lamarck, 1818
              
 Suborder Lepadomorpha Pilsbry, 1916
                
 Family Lepadidae Darwin, 1852