Natura - nature
actualia - actual entities
Mundus Plinius - physical world
naturalia - natural bodies
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
Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
Infrakingdom Halvaria Cavalier-Smith, 2010
Superphylum Alveolata Cavalier-Smith, 1991
Phylum Ciliophora Doflein, 1901 - ciliates
Subphylum Intramacronucleata Lynn, 1996 - amphiesmates
Class Oligohymenophorea de Puytorac et al., 1974 - oligohymenophoreans
Subclass Astomatia Schewiakoff, 1896 [monotypic]
Order Astomatidaᵀ Schewiakoff, 1896
Family Radiophryidae de Puytorac, 1972
01 Genus Acanthodiophrya de Puytorac & Dragesco, 1968
02 Genus Anthonyella Delphy, 1936
03 Genus Cheissiniophrya de Puytorac & Dragesco, 1969
04 Genus Coelophrya de Puytorac & Dragesco, 1968
05 Genus Desmophrya Raabe, 1933
06 Genus Dicoelophrya de Puytorac & Dragesco, 1968
07 Genus Durchoniella de Puytorac, 1954
08 Genus Eudrilophrya de Puytorac, 1971
09 Genus Helellophrya Aescht, 2001
10 Genus Hovasseiella de Puytorac, 1955
11 Genus Metaracoelophrya de Puytorac & Dragesco, 1969
12 Genus Mimophrya de Puytorac, 1969
13 Genus Mrazekiella Kijenskii, 1926
14 Genus Ochridanus Georgévitch, 1941
15 Genus Radiophryaᵀ Rossolimo, 1926
16 Genus Radiophryopsis Georgévitch, 1941
17 Genus "Metaradiophrya" Heidenreich, 1935, nom. nud.
18 Genus "Paracoelophrya" de Puytorac, 1969, nom. nud.