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 Stylocephaloidea Léger, 1892 [monotypic]
Family Stylocephalidaeᵀ Ellis, 1912
01 Genus Stylocephalusᵀ Ellis, 1912
02 Genus Stylocephaloides Théodoridès, Desportes & Jolivet, 1965
03 Genus Cystocephalus Schneider, 1886
04 Genus Bulbocephalus Watson, 1917
05 Genus Xiphocephalus Théodoridès, 1964
06 Genus Lophocephalus Labbé, 1899, nom. illeg.
07 Genus Lophocephaloides Théodoridès, Desportes & Jolivet, 1965
08 Genus Sphaerorhynchus Labbé, 1899
09 Genus Oocephalus Schneider, 1886
10 Genus Campanacephalus Théodoridès, 1955
11 Genus Clavicephalus Théodoridès, 1960
12 Genus Cystocephaloides Théodoridès & Jolivet, 1963 [monotypic]
13 Genus Orbocephalus Nelson, 1970
14 Genus Lepismatophila Adams & Travis, 1935
15 Genus Colepismatophila Adams & Travis, 1935