[Panarthropoda] Nielsen, 1995 - panarthropods
   Arthropoda Siebold, 1848 - arthropods see Phylum Arthropoda Siebold, 1848
     Mandibulata see Subphylum Mandibulata Snodgrass, 1938
       Pancrustacea Zrzavý et al., 1997 see Subphylum Pancrustacea Zrzavý et al., 1997
         Altocrustacea
           Vericrustacea
             Multicrustacea
               Communostraca
                 Thecostraca see Subclass Thecostraca Gruvel, 1905
                   1 Rhizocephala see Superorder Rhizocephala Müller, 1862
                   2 Thoracica Darwin, 1854 see Superorder Thoracica Darwin, 1854