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 Miozoa Cavalier-Smith, 1987
                                     Subphylum Myzozoa Cavalier-Smith & Chao, 2004
                                       Infraphylum Apicomplexa Levine, 1970
                                         Superclass Sporozoa Leuckart, 1879
                                           Class Paragregarea Cavalier-Smith, 2014
                                             Order Velocida Cavalier-Smith, 2014
                                               Superfamily Urosporoidea Léger, 1892
                                                 Family Lecudinidae Kamm, 1922
                                                   01 Genus Lecudinaᵀ Mingazzini, 1891
                                                   02 Genus Cygnicollum Bogolepova, 1953
                                                   03 Genus Loxomorpha Hoshide, 1988, nom. illeg. [monotypic]
                                                   04 Genus Polyrhabdina Mingazzini, 1891
                                                   05 Genus Ulivina Mingazzini, 1891
                                                   06 Genus Sycia Léger, 1892
                                                   07 Genus Pontesia Hasselmann, 1926 [monotypic]
                                                   08 Genus Bhatiella Setna, 1932
                                                   09 Genus Viviera Schrével, 1963 [monotypic]
                                                   10 Genus Cochleomeritus Hoside, 1944
                                                   11 Genus Ancora Labbé, 1899
                                                   12 Genus Hentschelia Mackinnon & Ray, 1931 [monotypic]
                                                   13 Genus Lecythion Mackinnon & Ray, 1931 [monotypic]
                                                   14 Genus Hyperidion Mackinnon & Ray, 1931 [monotypic]
                                                   15 Genus Zygosoma Labbé, 1899
                                                   16 Genus Diplauxis Vivier, Ormières & Tuzet, 1964
                                                   17 Genus Chlamydocystis Dogiel, 1910 [monotypic]
                                                   18 Genus Contoriocorpa Bhatia & Setna, 1938 [monotypic]
                                                   19 Genus Lankesteria Mingazzini, 1891
                                                   20 Genus Monocystella Valkanov, 1935
                                                   21 Genus Kofoidina Henry, 1933 [monotypic]
                                                   22 Genus Ophioidina Mingazzini, 1891
                                                   23 Genus Paraophioidina Levine, 1977
                                                   24 Genus Lateroprotomeritus Théodoridès & Desportes, 1975 [monotypic]
                                                   25 Genus Extremocystis Setna, 1931 [monotypic]
                                                   26 Genus Difficilina Simdianov, 2009