[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 Chromalveolata Adl et al., 2005 - chromalveolates see Kingdom Chromista Caval.-Sm. (1981)
       Alveolata Cavalier-Smith, 1991 see Superphylum Alveolata Cavalier-Smith, 1991
         Ciliophora Doflein, 1901 see Phylum Ciliophora Doflein, 1901
           Intramacronucleata Lynn, 1996 see Subphylum Intramacronucleata Lynn, 1996
             Oligohymenophorea de Puytorac et al., 1974 see Class Oligohymenophorea de Puytorac et al., 1974
               1 Peniculia Fauré-Fremiet, 1956 see Subclass Peniculia Fauré-Fremiet, 1956
               2 Scuticociliatia Small, 1967 see Subclass Scuticociliatia (E.B. Small, 1967)
               3 Hymenostomatia Delage & Hérouard, 1896 see Subclass Hymenostomatia (Delage & Hérouard, 1896) Cavalier-Smith, 1993
               4 Apostomatia Chatton & Lwoff, 1928 see Subclass Apostomatia Chatton & Lwoff, 1928
               5 Peritrichia Stein, 1859 see Subclass Peritrichia Stein, 1859
               6 Astomatia Schewiakoff, 1896 see Subclass Astomatia Schewiakoff, 1896