[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
         Arthropoda Siebold, 1848 - arthropods see Phylum Arthropoda Siebold, 1848
           Paradoxopoda J.M. Mallatt et al., 2004 see [unranked] Myriochelata D. Pisani et al., 2004
             1 Chelicerata Heymons, 1901 see Superclass Chelicerata Heymons, 1901
             2 Myriapoda Latreille, 1802 see Subphylum Myriapoda Latreille, 1802