[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
             Litostomatea Small & Lynn, 1981 see Class Litostomatea Small & Lynn, 1981
               Haptoria Corliss, 1974 see Subclass Haptoria Corliss, 1974
                 1 Genus Didinium Stein, 1859
                 2 Genus Dileptus Dujardin, 1840
                 3 Genus Lacrymaria Bory, 1824
                 4 Genus Lagynophrya Kahl, 1927