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
                                               Genus Vorticellaᵀ Linnaeus, 1767
                                                 Subgenus Vorticella (Echinovorticella) Foissner et al., 2002
                                                 Vorticella campanula Ehrenberg
                                                 Vorticella convallariaᵀ (Linnaeus, 1758) Linnaeus, 1767
                                                 Vorticella microstoma Ehrenberg
                                                 Vorticella minima
                                                 Vorticella monilata Tatem, 1870
                                                 Vorticella nebulifera Müller
                                                 Vorticella picta (Ehrenberg, 1831) Ehr, 1838