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 neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
Clade neozoa Cavalier-Smith 1993
Superkingdom Corticata Lankester, 1878
Kingdom Chromista Caval.-Sm. (1981) - chromists
Subkingdom Harosa Cavalier-Smith, 2010
Infrakingdom Rhizaria Cavalier-Smith, 2002
Phylum Retaria Cavalier-Smith, 2002
Subphylum Radiozoa Cavalier-Smith, 1987
Superclass Polycystinia Ehrenberg, 1838
Class Nassellaria Ehrenberg, 1847
Order Cyrtidinata Haeckel, 1862
Superfamily Eucyrtidioidea Ehrenberg, 1847
01 Family Eucyrtidiidaeᵀ Ehrenberg, 1847
02 Family †Planispinocyrtidae Kozur & Mostler, 1981
03 Family †Ruesticyrtiidae Kozur & Mostler, 1979
04 Family †Pseudodictyomitridae Pessagno, 1977
05 Family †Eucyrtidiellidae Takemura, 1986 [monotypic]
06 Family †Obeliscoitidae O'Dogherty, 1994
07 Family †Xitidae Pessagno, 1977
08 Family †Williriedellidae Dumitrica, 1970
09 Family Carpocaniidae Haeckel, 1881
10 Family Artostrobiidae Riedel, 1967
11 Family Pterocoryidae Haeckel, 1881
12 Family Lophocyrtiidae Sanfilippo & Caulet, 2001