[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]
Count: -
   Superphylum Panarthropoda Nielsen, 1995 see [unranked] Panarthropoda Nielsen, 1995
  Count: -
     Arthropoda Siebold, 1848 - arthropods see Phylum Arthropoda Siebold, 1848
    Count: -
       Phylum Euarthropoda Lankester, 1904 see [unranked] Euarthropoda
      Count: -
         Class †Megacheira Hou & Bergström, 1997 [paraphyletic]
        Count: †2f;6g;3s
           Family †Jianfengiidae Aria, Zhao, Zeng, Guo & Zhu, 2020
          Count: [†g] †4g;3s [6 Dec 2020]
             Genus †Fortiforceps Hou & Bergström, 1997 [monotypic]
            Count: [†*] †1s [5 Dec 2020]
               1 †Fortiforceps foliosa Hou & Bergström, 1997
              Count: -