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 Heterokonta Caval.-Sm. (1986)
Phylum Oomycota Arx (1967)
Class Peronosporea
1 Genus †Galtierella M. Krings, T.N. Taylor, Dotzler & Decombeix (2009), incertae sedis
2 Genus Ostracoblabe Bornet & Flahault (1891), incertae sedis
3 Genus Halioticida Muraosa & Hatai (2009), incertae sedis
4.1 Genus Haliphthoros Vishniac (1958), incertae sedis [monotypic]
4.2 Genus Halodaphnea M.W. Dick (1998), incertae sedis
5 Family †Combresomycetaceae incertae sedis [monotypic]
6 Family Eurychasmataceae H.E. Petersen (1905), incertae sedis
7 Subclass Eogamia Caval.-Sm. (2013) [paraphyletic]
7.n.1 Subclass Saprolegniidae
7.n.2 Subclass Peronosporidaeᵀ