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 Gregarinomorphea Grassé, 1953
                                             Subclass Orthogregarinia Cavalier-Smith, 2014
                                               Order Arthrogregarida Cavalier-Smith, 2014
                                                 Suborder Terragregarina Cavalier-Smith, 2014
                                                   Superfamily Actinocephaloidea Léger, 1892
                                                     Family Actinocephalidaeᵀ Léger, 1892
                                                       Subfamily Actinocephalinaeᵀ Léger, 1892
                                                         01 Genus Actinocephalusᵀ Stein, 1848
                                                         02 Genus Caulocephalus Bhatia & Setna, 1924
                                                         03 Genus Cornimeritus Hoshide, 1959 [monotypic]
                                                         04 Genus Umbracephalus Hoshide, 1959 [monotypic]
                                                         05 Genus Urnaepimeritus Hoshide, 1959 [monotypic]
                                                         06 Genus Asterophora Léger, 1892
                                                         07 Genus Pileocephalus Schneider, 1875
                                                         08 Genus Gemmicephalus Baudoin, 1967
                                                         09 Genus Pilidiophora Baudoin, 1967 [monotypic]
                                                         10 Genus Geneiorhynchus Schneider, 1875
                                                         11 Genus Acanthoepimeritus Hoshide, 1959 [monotypic]
                                                         12 Genus Phialoides Labbé, 1899 [monotypic]
                                                         13 Genus Legeria Labbé, 1899 [monotypic]
                                                         14 Genus Pyxinia Hammerschmidt, 1838
                                                         15 Genus Discorhyncus Labbé, 1899 [monotypic]
                                                         17 Genus Bothriopsides Strand, 1928
                                                         18 Genus Pomania Baudoin, 1967 [monotypic]
                                                         19 Genus Stictospora Léger, 1893
                                                         20 Genus Coleorhynchus Labbé, 1899 [monotypic]
                                                         21 Genus Amphoroides Labbé, 1899
                                                         22 Genus Stylocystis Léger, 1899
                                                         23 Genus Taeniocystis Léger, 1905
                                                         24 Genus Sciadiophora Labbé, 1899
                                                         25 Genus Anthorhynchus Labbé, 1899
                                                         26 Genus Agrippina Strickland, 1912 [monotypic]
                                                         27 Genus Globulocephalus Baudoin, 1965 [monotypic]
                                                         28 Genus Alaspora Obata, 1954
                                                         29 Genus Ascocephalus Obata, 1954 [monotypic]
                                                         30 Genus Amphorocephalus Ellis, 1913
                                                         31 Genus Tricystis Hamon, 1951
                                                         32 Genus Thalicola Ormières, 1965
                                                         33 Genus Epicavus Ormières & Daumal, 1970
                                                         34 Genus Gryllotalpia Hasselmann, 1926 [monotypic]
                                                         35 Genus Chilogregarina Levine, 1979
                                                         36 Genus Crucocephalus Sarkar, 1984 [monotypic]
                                                         37 Genus Harendraia Sarkar, 1984 [monotypic]
                                                         38 Genus Levinea Kori, 1985 [monotypic]