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
       Family Simplicimonadidae Cepicka, Hampl & Kulda, 2010
      Count: [*] 1g;8s
         Genus Simplicimonasᵀ Cepicka, Hampl & Kulda, 2010
        Count: [*] 8s [12 Dec 2023]
           Simplicimonas caviae (Nie, 1950)
          Count: -