organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
     alveolates Cavalier-Smith see [unranked] Alveolata Cavalier-Smith, 1991
       Phylum Apicomplexa Levine, 1970 see Infraphylum Apicomplexa Levine, 1970
         Class Conoidasida Levine, 1988 see Superclass Sporozoa Leuckart, 1879
           Subclass Coccidiasina Leuckart, 1879
             Order Eucoccidiorida Léger & Duboscq, 1910 see Subclass Coccidia Leuckart, 1879
               Suborder Eimeriorina Léger, 1911 see Order Eimeriida Léger, 1911
                 Family Eimeriidaeᵀ Minchin, 1903
                   01 Genus Atoxoplasma Garnham, 1950
                   02 Genus Barrouxia Schneider, 1885
                   03 Genus Caryospora Léger, 1904
                   04 Genus Caryotropha Siedlecki, 1902
                   05 Genus Cyclospora Schneider, 1881
                   06 Genus Diaspora Léger, 1898
                   07 Genus Dorisa Levine, 1980
                   08 Genus Dorisiella Ray, 1930
                   09 Genus Eimeria Schneider, 1875
                   10 Genus Grasseella Tuzet & Ormières, 1960
                   11 Genus Isospora Schneider, 1881
                   12 Genus Mantonella Vincent, 1936
                   13 Genus Ovivora Mackinnon & Ray, 1937
                   14 Genus Pfeifferinella Wasielewski, 1904
                   15 Genus Pseudoklossia Léger & Duboscq, 1915
                   16 Genus Tyzzeria Allen, 1936
                   17 Genus Wenyonella Hoare, 1933
                   18 ?Genus Gousseffia Levine, 1980
                   19 ?Genus Hoarella Arcay de Peraza, 1963
                   20 ?Genus Octosporella Ray & Raghavachari, 1942
                   21 ?Genus Polysporella McQuistion, 1990
                   22 ?Genus Pythonella Ray & Das Gupta, 1937
                   23 ?Genus Sivatoshella Ray & Sarkar, 1968
                   24 ?Genus Skrjabinella Matschoulsky, 1949