organisms
see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Domain eukaryotes
see Domain Eukaryota Chatton, 1925
flagellated protists
Phylum Parabasalia Honigberg, 1973
see Infraphylum Parabasalia Honigberg, 1973
Class Trichomonada
see Class Trichomonadea Kirby, 1947
Order Trichomonadida Kirby, 1947 - trichomonads
1 Family Monocercomonadidae Kirby, 1944
2 Family Trichomonadidae Chalmers & Pekkola, 1918
3 Family Devescovinidae Doflein, 1911
4 Family Calonymphidae Grassi, 1911
5 Family Cochlosomatidae E.E. Tyzzer, 1930
see Family Trichomonadidae Chalmers & Pekkola, 1918