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 Oligohymenophorea de Puytorac et al., 1974 - oligohymenophoreans
                                         Subclass Astomatia Schewiakoff, 1896 [monotypic]
                                           Order Astomatidaᵀ Schewiakoff, 1896
                                             Family Radiophryidae de Puytorac, 1972
                                               01 Genus Acanthodiophrya de Puytorac & Dragesco, 1968
                                               02 Genus Anthonyella Delphy, 1936
                                               03 Genus Cheissiniophrya de Puytorac & Dragesco, 1969
                                               04 Genus Coelophrya de Puytorac & Dragesco, 1968
                                               05 Genus Desmophrya Raabe, 1933
                                               06 Genus Dicoelophrya de Puytorac & Dragesco, 1968
                                               07 Genus Durchoniella de Puytorac, 1954
                                               08 Genus Eudrilophrya de Puytorac, 1971
                                               09 Genus Helellophrya Aescht, 2001
                                               10 Genus Hovasseiella de Puytorac, 1955
                                               11 Genus Metaracoelophrya de Puytorac & Dragesco, 1969
                                               12 Genus Mimophrya de Puytorac, 1969
                                               13 Genus Mrazekiella Kijenskii, 1926
                                               14 Genus Ochridanus Georgévitch, 1941
                                               15 Genus Radiophryaᵀ Rossolimo, 1926
                                               16 Genus Radiophryopsis Georgévitch, 1941
                                               17 Genus "Metaradiophrya" Heidenreich, 1935, nom. nud.
                                               18 Genus "Paracoelophrya" de Puytorac, 1969, nom. nud.