[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
Euchelicerata Weygoldt & Paulus, 1979
Genus †Offacolus Orr, Siveter, Briggs, Siveter & Sutton, 2000