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]
   †anomalocaridids see Class Dinocaridida Collins, 1996
     1 Genus †Pambdelurion Budd, 1998
     2 Genus †Kerygmachela Budd, 1993