organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Protoctista Hogg, 1860
     Phylum Apicomplexa Levine, 1970 see Infraphylum Apicomplexa Levine, 1970
       Class Sporozoasida see Phylum Apicomplexa Levine, 1970
         Subclass Coccidiasina Leuckart, 1879
           Genus Isospora Schneider, 1881
             Isospora hominis