[Bilateria] Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888
   Protostomia Grobben, 1908 see Infrakingdom Protostomia Grobben, 1908
     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]
       Panarthropoda Nielsen, 1995 - panarthropods
         1.1 Tardigrada Doyère, 1840 - tardigrades see Phylum Tardigrada Doyère, 1840
         1.2 Onychophora - velvet worms see Phylum Onychophora Grube, 1853
         2 Arthropoda Siebold, 1848 - arthropods see Phylum Arthropoda Siebold, 1848