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 Suctoria Claparède & Lachmann, 1858 - suctorians
               Order Suctorida see Subclass Suctoria Claparède & Lachmann, 1858
                 Suborder Exogenina Collin, 1912 see Order Exogenida Collin, 1912
                   Family Thecacinetidae D. Matthes, 1956
                     1 Genus Thecacineta Collin, 1909
                     2 Genus Canellana Jankowski, 1967
                     3 Genus Corynophrya Kahl, 1934
                     4 Genus Praethecacineta Matthes, 1956