eukaryotes see Domain Eukaryota Chatton, 1925
   Kingdom Archezoa Cavalier-Smith, 1983 see Infrakingdom Archezoa Cavalier-Smith, 1983
     Phylum Metamonada Grassé, 1952
       Subphylum Eopharyngia Cavalier-Smith, 1993 see Superclass Eopharyngia (Cavalier-Smith, 1993) Cavalier-Smith, 2003
         Class Trepomonadea Cavalier-Smith, 1993
           1 Order Diplomonadida Wenyon, 1926 - diplomonads
           2 Order Enteromonadida Brugerolle, 1975 see [unranked] Enteromonadida Brugerolle, 1975