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 Scuticociliatia (E.B. Small, 1967)
                                   Order Philasterida Small, 1967
                                     Family Philasteridaeᵀ Kahl, 1931
                                       Genus Philasterides Kahl, 1931
                                         Philasterides armataᵀ (Kahl, 1926) Kahl, 1931