Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         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
                             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 Peritrichia Stein, 1859
                                           Order Sessilida Kahl, 1933
                                             Family Lagenophryidae Bütschli, 1889
                                               ?Genus Eilymophrys Corliss, 1979
                                               Genus Clistolagenophrys Clamp, 1991
                                               Genus Lagenophrysᵀ Stein, 1852
                                               Genus Circolagenophrys Jankowski, 1980
                                               Genus Operculigera Kane, 1969
                                               Genus Paralagenophrys Clamp, 1987
                                               Genus Setonophrys Jankowski, 1986
                                               Genus Stylohedra Kellicott, 1884
                                                 Stylohedra lenticula Kellicott, 1884