Phylum Parabasalia Honigberg, 1973 see Infraphylum Parabasalia Honigberg, 1973
Count: [*] 6c;7o;16f;90g;15s [10 Dec 2023]
   Class Trichonymphea Hartmann, 1911
  Count: [*] 1o;5f;16g
     Order Trichonymphida Hartmann, 1911
    Count: [*] 5f;16g
       Family Hoplonymphidae Light, 1926
      Count: [*] 4g
         1 Genus Hoplonymphaᵀ Light, 1926
        Count: -
         2 Genus Barbulanympha Cleveland, Hall, Sanders & Collier, 1934
        Count: -
         3 Genus Rhynchonympha Cleveland, Hall, Sanders & Collier, 1934
        Count: -
         4 Genus Urinympha Cleveland, Hall, Sanders & Collier, 1934
        Count: -