[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]
   Superphylum Panarthropoda Nielsen, 1995 see [unranked] Panarthropoda Nielsen, 1995
     Arthropoda Siebold, 1848 - arthropods see Phylum Arthropoda Siebold, 1848
       Phylum Euarthropoda Lankester, 1904 see [unranked] Euarthropoda
         Antennulata
           †Artiopoda Hou & Bergström, 1997
             1 Genus †Kiisortoqia Stein, 2010
             2.1 †Aglaspidida Walcott, 1911
             2.2.1.1.1 Genus †Naraoia Walcott, 1912
             2.2.1.1.2 Genus †Burgessia Walcott, 1912
             2.2.1.2.1 Genus †Kwanyinaspis Zhang & Shu, 2005
             2.2.1.2.2 Genus †Kuamaia Hou, 1987
             2.2.2.1.1 Genus †Sidneyia Walcott, 1911
             2.2.2.1.2 Genus †Emeraldella Walcott, 1912
             2.2.2.2.1 Genus †Xandarella Hou et al., 1991
             2.2.2.2.2.1 Genus †Hongshiyanaspis Zhang & Lin, 1980
             2.2.2.2.2.2 Genus †Olenoides Meek, 1877