Phylum Parabasalia Honigberg, 1973 see Infraphylum Parabasalia Honigberg, 1973
Count: [*] 6c;7o;16f;90g;15s [10 Dec 2023]
   Class Tritrichomonadea Cepicka, Hampl & Kulda, 2010 see Order Tritrichomonadida Cepicka, Hampl & Kulda, 2010
  Count: [*] 1o;4f;7g;10s
     Order Tritrichomonadida Cepicka, Hampl & Kulda, 2010 - tritrichomonadids
    Count: [*] 4f;7g;10s
       1 Family Tritrichomonadidae Honigberg, 1963
      Count: [*] 1g
       2 Family Dientamoebidae Grassé, 1953
      Count: [*] 4g
       3 Family Monocercomonadidae Kirby, 1944
      Count: [*] 1g;2s
       4 Family Simplicimonadidae Cepicka, Hampl & Kulda, 2010
      Count: [*] 1g;8s