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 Spirotrichea Bütschli, 1889
                                         Subclass Stichotrichia Small & Lynn, 1985
                                           Order Stichotrichidaᵀ Fauré-Fremiet, 1961
                                             Family Amphisiellidae Jankowski, 1979
                                               01 Genus Amphisiellaᵀ Gourret & Roeser, 1888
                                               02 Genus Amphisiellides Foissner, 1988
                                               03 Genus Circinella Foissner, 1994
                                               04 Genus Gastrostyla Engelmann, 1862
                                               05 Genus Hemiamphisiella Foissner, 1988
                                               06 Genus Orthoamphisiella Eigner & Foissner, 1991
                                               07 Genus Paragastrostyla Hemberger, 1981
                                               08 Genus Paramphisiella Foissner, 1988
                                               09 Genus Periholosticha Hemberger, 1985
                                               10 Genus Psammomitra Borror, 1972
                                               11 Genus Pseudouroleptus Hemberger, 1981
                                               12 Genus Uroleptoides Wenzel, 1953