Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
Status: extant
   Opisthokonta Cavalier-Smith, 1987 - opisthokonts see Clade Opisthokonta Cavalier-Smith 1987, nom. cl. inval.
  Status: extant
     Metazoa Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758
    Status: extant
       Eumetazoa Bütschli, 1910 - eumetazoans
      Status: extant
         Triploblastica see [unranked] Bilateria Hatschek, 1888
        Status: extant
           Bilateria Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888
          Status: extant
             Protostomia Grobben, 1908 see Infrakingdom Protostomia Grobben, 1908
            Status: extant
               Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake 1997, nom. cl. inval. - ecdysozoans see Clade Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake 1997 [Lake, Halanych, Servin & Garey 2020]
              Status: extant
                 Hemocoelia
                Status: extant
                   Superphylum Panarthropoda Nielsen, 1995 see [unranked] Panarthropoda Nielsen, 1995
                  Status: extant
                     Phylum Arthropoda Siebold, 1848 - arthropods
                    Status: extant
                       Mandibulata see Subphylum Mandibulata Snodgrass, 1938
                      Status: extant
                         Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
                        Status: extant
                           Eucrustacea Kingsley, 1894
                          Status: extant
                             Superclass Maxillopoda Dahl, 1956
                            Status: extant
                               Progonomorpha
                              Status: extant
                                 Thecostracomorpha
                                Status: extant
                                   Thecostraca see Subclass Thecostraca Gruvel, 1905
                                  Status: extant
                                     Class Ascothoracida Lacaze-Duthiers, 1880
                                    Status: extant