Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade natates Cavalier-Smith, 2021
                   Clade photaria Cavalier-Smith, 2021
                     Clade eucorta Cavalier-Smith, 2021
                       Superkingdom Corticata Lankester, 1878 - corticates
                         Kingdom Chromista Caval.-Sm. (1981) - chromists
                           Subkingdom Harosa Cavalier-Smith, 2010
                             [crown] Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
                               Infrakingdom Halvaria Cavalier-Smith, 2010
                                 Superphylum Alveolata Cavalier-Smith, 1991
                                   Phylum Ciliophora Doflein, 1901 - ciliates
                                     Subphylum Intramacronucleata Lynn, 1996 - amphiesmates
                                       Class Oligohymenophorea de Puytorac et al., 1974 - oligohymenophoreans
                                         Subclass Peritrichia Stein, 1859
                                           Order Sessilida Kahl, 1933
                                             Family Vorticellidae Ehrenberg, 1838
                                               01 ?Genus Monintranstylum Jankowski, 1993
                                               02 Genus Carchesium Ehrenberg, 1832[1830]
                                               03 Genus Entziella Stiller, 1951
                                               04 Genus Haplocaulus Precht, 1935
                                               05 Genus Intranstylum Fauré-Fremiet, 1904
                                               06 Genus Myoschiston Precht, 1935
                                               07 Genus Parazoothamnium Piesik, 1975
                                               08 Genus Planeticovorticella J.C. Clamp & D.W. Coats, 2000
                                               09 Genus Pseudovorticella Foissner & Schiffmann, 1975
                                               10 Genus Rugaecaulis Lom & de Puytorac, 1994
                                               11 Genus Ruthiella Schödel, 1983
                                               12 Genus Tucolesca Lom, in Corliss, 1979
                                               13 Genus Vorticellaᵀ Linnaeus, 1767
                                               14 Genus "Pseudocarchesium" Sommer, 1951, nom. nud.