Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         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
                             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 Coccidiomorphea Doflein, 1901
                                             Subclass Coccidia Leuckart, 1879
                                               Order Eimeriida Léger, 1911
                                                 Family Eimeriidaeᵀ Minchin, 1903
                                                   Genus Isospora Schneider, 1881
                                                     Isospora anseris
                                                     Isospora belli
                                                     Isospora bigemina
                                                     Isospora bronchocelae T.E. McQuistion et al., 2001
                                                     Isospora canis
                                                     Isospora felis
                                                     Isospora heydorni
                                                     Isospora hominis
                                                     Isospora mandari
                                                     Isospora marquardti Duszynski & Brunson, 1972
                                                     Isospora mejiro
                                                     Isospora peromysci
                                                     Isospora raraᵀ Schneider, 1881
                                                     Isospora rivolta
                                                     Isospora suis (Biester & Murray, 1934)
                                                     Isospora thibetana S. Perrucci et al., 1998
                                                     Isospora yukonensis Hobbs & Samuel, 1974