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 Litostomatea Small & Lynn, 1981
             Subclass Haptoria Corliss, 1974
               Order Haptoridaᵀ Corliss, 1974
                 Family Trachelophyllidae Kent, 1882
                   1 Genus Lepidotrachelophyllum Nicholls & Lynn, 1984
                   2 Genus Foissnerides Song & Wilbert, 1989
                   3 Genus Chaenea Quennerstedt, 1867
                   4 Genus Acaryophrya André, 1915
                   5 Genus Enchelyodon Claparède & Lachmann, 1859
                   6 Genus Lagynophrya Kahl, 1927
                   7 Genus Trachelophyllum Claparède & Lachmann, 1859