[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Protista (Haeckel, 1866) - protists
     Phylum Protozoa (Goldfuss, 1818) C.T. von Siebold, 1854 see Kingdom Protozoa Goldfuss, 1818
       Subphylum Sarcomastigophora see Phylum Sarcomastigophora Honigberg & Balamuth, 1963
         Class Mastigophora Diesing, 1866 see Subphylum Mastigophora Diesing, 1866
           Subclass Zoomastigophorea see Phylum Zoomastigina
             1 Order Choanoflagellida Kent, 1880 - choanoflagellates see Class Choanoflagellatea Cavalier-Smith, 1998
             2 Order Bicosoecida Grassé, 1926 see Order Bicoecida Grassé, 1926
             3 Order Rhizomastigida Doflein, 1916
             4 Order Kinetoplastida Honigberg, 1963 - kinetoplastids see Order Kinetoplastea Honigberg, 1963
             5 Order Retortamonadida Grassé, 1952 - retortamonads
             6 Order Diplomonadida Wenyon, 1926 - diplomonads
             7 Order Oxymonadida Grassé, 1952 - oxymonads
             8 Order Trichomonadida Kirby, 1947 - trichomonads
             9 Order Hypermastigida Grassi, 1911 - hypermastigids see Class Hypermastigia