[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
             Phyllopharyngea de Puytorac et al., 1974 see Class Phyllopharyngea de Puytorac et al., 1974
               Suctoria Claparède & Lachmann, 1858 see Subclass Suctoria Claparède & Lachmann, 1858
                 1 Genus Acineta Ehrenberg, 1834
                 2 Genus Discophrya Lachmann, 1859
                 3 Genus Ephelota Wright, 1858
                 4 Genus Tokophrya Bütschli, 1889