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 Bikosia Cavalier-Smith, 2013 [monotypic]
    Count: [*] 1c;5o;12f;19g;4s [15 Mar 2016]
       Class Bikosea Cavalier-Smith, 2013
      Count: [*] 5o;12f;19g;4s [15 Mar 2016]
         Subclass Bicosidia Cavalier-Smith, 2006
        Count: [*] 4o;11f;18g;4s [15 Mar 2016]
           Superorder Cyathobodoniae Cavalier-Smith, 1993
          Count: [*] 3o;10f;17g;4s [15 Mar 2016]
             Order Pseudodendromonadida Hibberd, 1985
            Count: [*] 6f;8g;1s [15 Mar 2016]
               Family Paramonadidae Cavalier-Smith, 2006 [monotypic]
              Count: [*] 1g [15 Mar 2016]
                 Genus Paramonas Kent, 1880
                Count: -