living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
         Phylum Ciliophora Doflein, 1901 - ciliates
           Class Kinetofragminophora see Class Kinetofragminophorea
             Subclass Gymnostomata see Subclass Gymnostomatia
               Order Haptorida Corliss, 1974
                 Family Enchelyidae Ehrenberg, 1838
                   1 Genus Chaenea Quennerstedt, 1867
                   2 Genus Enchelyodon Claparède & Lachmann, 1859
                   3 Genus Enchelys O.F. Müller, 1773
                   4 Genus Lacrymaria Bory, 1824
                   5 Genus Lagynophrya Kahl, 1927
                   6 Genus Rhopalophrya Kahl, 1926, nom. inval.
                   7 Genus Trachelophyllum Claparède & Lachmann, 1859