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
               Clade discaria Cavalier-Smith, 2021
                 Clade natates Cavalier-Smith, 2021
                   Clade photaria Cavalier-Smith, 2021
                     Clade eucorta Cavalier-Smith, 2021
                       Superkingdom Corticata Lankester, 1878 - corticates
                         Kingdom Chromista Caval.-Sm. (1981) - chromists
                           Subkingdom Harosa Cavalier-Smith, 2010
                             [crown] Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
                               Infrakingdom Halvaria Cavalier-Smith, 2010
                                 Superphylum Alveolata Cavalier-Smith, 1991
                                   Phylum Ciliophora Doflein, 1901 - ciliates
                                     Subphylum Intramacronucleata Lynn, 1996 - amphiesmates
                                       Class Phyllopharyngea de Puytorac et al., 1974
                                         Subclass Cyrtophoriaᵀ Fauré-Fremiet, 1956
                                           Order Dysteriida Deroux, 1976
                                             Family Hartmannulidae Poche, 1913
                                               01 ?Genus Horocontus Deroux, 1976
                                               02 Genus Brooklynella Lom & Nigrelli, 1970
                                               03 Genus Chlamydonyx Deroux, 1976
                                               04 Genus Hartmannulaᵀ Poche, 1913
                                               05 Genus Microxysma Deroux, 1976
                                               06 Genus Orthotrochilia Song, 2003
                                               07 Genus Paratrochilia Kahl, 1933
                                               08 Genus Sigmocineta Jankowski, 1967
                                               09 Genus Trichopodiella Corliss, 1960
                                               10 Genus "Trochilioides" Kahl, 1931, nom. nud.