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 Nassophorea Small & Lynn, 1981
                                         Order Nassulida Jankowski, 1967
                                           Family Nassulidaeᵀ de Fromentel, 1874
                                             1 ?Genus Archinassula Kahl, 1935
                                             2 ?Genus Chilodina Šrámek-Hušek, 1957
                                             3 ?Genus Stomatophrya Kahl, 1933
                                             4 ?Genus "Cyrtohymenostoma" Das et al., 1969, nom. inval.
                                             5 Genus Nassulaᵀ Ehrenberg, 1834
                                             6 Genus Naxella Foissner & O'Donoghue, 1990
                                             7 Genus Obertrumia Foissner & Adam, 1981
                                             8 Genus "Rhinakis" Iftode et al., in Deroux, 1994, nom. nud.