[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
     Supergroup Excavata Cavalier-Smith, 2002 see [unranked] Excavata Cavalier-Smith, 2002
       Parabasalia Honigberg, 1973 see Infraphylum Parabasalia Honigberg, 1973
         Trichonymphida Poche, 1913
           1 Genus Barbulanympha Cleveland, Hall, Sanders & Collier, 1934
           2 Genus Eucomonympha Cleveland, Hall, Sanders & Collier, 1934
           3 Genus Hoplonympha Light, 1926
           4 Genus Spirotrichosoma Sutherland, 1933
           5 Genus Staurojoenina Kirby, 1926
           6 Genus Teranympha Koidzumi, 1917
           7 Genus Trichonympha Leidy, 1877