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 Anoplophryidae Cépède, 1910
                                               01 Genus Almophrya de Puytorac & Dragesco, 1968
                                               02 Genus Anoplophryaᵀ Stein, 1860
                                               03 Genus Corlissiella de Puytorac, 1960
                                               04 Genus Herpetophrya Siedlecki, 1902
                                               05 Genus Metastomum Georgévitch, 1941
                                               06 Genus Njinella Ngassam, 1983
                                               07 Genus Paranoplophrya Rohrbach, 1936
                                               08 Genus Perseia Rossolimo, 1926
                                               09 Genus Prototravassosia Artigas & Unti, 1938
                                               10 Genus Sigmophrya de Puytorac, 1971
                                               11 Genus "Lomiella" P. de Puytorac, 1961, nom. nud.
                                               12 Genus "Lubetiella" de Puytorac, 1959, nom. nud.