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 Hypostomata Schewiakoff, 1896 see Subclass Hypostomatia
               Order Nassulida Jankowski, 1967
                 Suborder Nassulina Jankowski, 1967 see Order Nassulida Jankowski, 1967
                   1 Family Nassulidae de Fromentel, 1874
                   2 Family Paranassulidae Fauré-Fremiet, 1962
                   3 Family Furgasoniidae Corliss, 1979