Bigyra Cavalier-Smith, 1998
Count: [*] 6c;10o;21f;34g;8s
   Subphylum Opalozoa Cavalier-Smith, 1992
  Count: [*] 6c;10o;20f;33g;6s [15 Mar 2016]
     Infraphylum Placidozoa Cavalier-Smith, 2013
    Count: [*] 5c;5o;7f;12g;2s [15 Mar 2016]
       Superclass Wobblata Cavalier-Smith, 2013 [paraphyletic]
      Count: [g] 3c;2o;3f;6g;2s [15 Mar 2016]
         Class Nanomonadea Cavalier-Smith, 2013 [monotypic]
        Count: [*] 1o;2f;2g;4s [15 Mar 2016]
           Order Uniciliatida Cavalier-Smith, 2013
          Count: [*] 2f;2g;4s [15 Mar 2016]
             Family Incisomonadidae Cavalier-Smith & Scoble, 2013 [monotypic]
            Count: [*] 1g;2s [18 Mar 2016]
               Genus Incisomonasᵀ Scoble & Cavalier-Smith, 2013
              Count: [*] 2s [18 Mar 2016]
                 1 Incisomonas marinaᵀ Cavalier-Smith & Scoble, 2013
                Count: -
                 2 Incisomonas devorata (Tong, 1997)
                Count: -