Cercozoa Cavalier-Smith, 1998
Count: 1o;2f;3g;3s
   Pansomonadida Vickerman, 2005
  Count: 2f;3g;3s
     Superfamily Sainouroidea T. Cavalier-Smith et al., 2009 see Order Sainouroida
    Count: [g] 2f;3g;3s
       1 Family Sainouridae
      Count: [g] 2g
       2 Family Helkesimastigidae Cavalier-Smith, 2009
      Count: [*] 1g;3s