organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
     alveolates Cavalier-Smith see [unranked] Alveolata Cavalier-Smith, 1991
       Phylum Ciliophora Doflein, 1901 - ciliates
         Subphylum Intramacronucleata Lynn, 1996 - amphiesmates
           Class Phyllopharyngea de Puytorac et al., 1974
             Subclass Chonotrichia Wallengren, 1895
               Order Cryptogemmida Jankowski, 1975
                 Family Stylochonidae Mohr, 1948
                   1 Genus Spinichona Jankowski, 1973
                   2 Genus Dentichona Jankowski, 1973
                   3 Genus Oxychonina Corliss, 1979
                   4 Genus Eriochona Jankowski, 1973
                   5 Genus Stylochona Kent, 1881
                   6 Genus Armichona Jankowski, 1973
                   7 Genus Flectichona Jankowski, 1973