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 Halvaria Cavalier-Smith, 2010
Superphylum Heterokonta Caval.-Sm. (1981)
Phylum Oomycota Arx (1967)
Class Peronosporea
Subclass Peronosporidaeᵀ
Order Peronosporalesᵀ
1 Genus †Peronosporoides E.W.Berry (1916), incertae sedis
2.1 Family Crypticolaceae M.W. Dick (1998) [monotypic]
2.2 Family Myzocytiopsidaceae M.W. Dick (1997)
3 Family Peronosporaceaeᵀ