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 Suctoria Claparède & Lachmann, 1858 - suctorians
                                           Order Endogenida Collin, 1912
                                             Family Trichophryidae Fraipont, 1878
                                               1 Genus Astrophrya Awerinzew, 1904
                                               2 Genus Actinobranchium Jankowski, 1967
                                               3.1 Genus Heliophrya de Saedeleer & Tellier, 1933
                                               3.2 Genus Platophrya Gönnert, 1935
                                               4 Genus Marinecta Jankowski, 1973
                                               5.1 Genus Trichophryaᵀ Claparède & Lachmann, 1859
                                               5.2 Genus Capriniana Strand, 1928
                                               5.3 Genus Phagobranchium Jankowski, 1967
                                               6 Genus "Tetraedrophrya" Zykoff, 1902, nom. nud.