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]
           1 Simplicimonas moskowitziᵀ (Honigberg, 1963)
          Count: -
           2 Simplicimonas cuniculi (Tanabe, 1926)
          Count: -
           3 Simplicimonas axostylis (Kirby, 1931)
          Count: -
           4 Simplicimonas caviae (Nie, 1950)
          Count: -
           5 Simplicimonas pistillum (Nie, 1950)
          Count: -
           6 Simplicimonas lori (Abraham, 1962)
          Count: -
           7 Simplicimonas molae (Noble & Noble, 1966)
          Count: -
           8 Simplicimonas similis Cepicka, Hampl & Kulda, 2010
          Count: -