living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
         Phylum Apicomplexa Levine, 1970 see Infraphylum Apicomplexa Levine, 1970
           Class Sporozoa Leuckart, 1879 see Class Sporozoea
             Subclass Gregarinia see Subclass Gregarinasina Dufour, 1828
               Order Eugregarinida Léger, 1899 see Order Eugregarinorida Léger, 1900
                 Suborder Cephalina see Suborder Septatorina Lankester, 1885
                   Superfamily Stenophoroidea see Order Stenophorida Cavalier-Smith, 2014
                     01 Family Stenophoridae Léger & Duboscq, 1904
                     02 Family Leidyanidae Kudo, 1954 see Family Gregarinidae Labbé, 1899
                     03 Family Cnemidosporidae Grassé, 1953
                     04 Family Monoductidae Ray & Chakravarty, 1933
                     05 Family Sphaerocystidae Chakravarty, 1960
                     06 Family Trichorhynchidae Ormières et al., 1977
                     07 Family Dactylophoridae Léger, 1892
                     08 Family Stylocephalidae Ellis, 1912
                     09 Family Actinocephalidae Léger, 1892
                     10 Family Acutidae Stejskal, 1965
                     11 Family Monoicidae Geus, 1969