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 Monocystidae Bütschli, 1882
Subfamily Stomatophorinae Bhatia, 1930
01 Genus Stomatophoraᵀ Drzhevetskii, 1907
02 Genus Craterocystis Cognetti de Martiis, 1918
03 Genus Astrocystella Cognetti de Martiis, 1918 [monotypic]
04 Genus Albertisella Cognetti de Martiis, 1926 [monotypic]
05 Genus Beccaricystis Cognetti de Martiis, 1926 [monotypic]
06 Genus Parachoanocystoides de Saedeleer, 1930 [monotypic]
07 Genus Choanocystoides Cognetti de Martiis, 1925 [monotypic]
08 Genus Zeylanocystis Dissanaike, 1953
09 Genus Arborocystis Rees & Howell, 1966 [monotypic]
10 Genus Chakravartiella Misra & Raychaudhury, 1973 [monotypic]