Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               [Bikonta]
                 [Diaphoretickes Adl et al., 2012] see Superkingdom Corticata Lankester, 1878
                   [[crown] Clade Sar Adl et al. 2012] see Subkingdom Harosa Cavalier-Smith, 2010
                     [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