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 Ochrophyta Caval.-Sm. (1995)
Subphylum Phaeista Caval.-Sm. (1995)
Infraphylum Marista Caval.-Sm. (2006)
Superclass Fucistia Caval.-Sm. (1995)
Class Phaeophyceae Hansgirg (1886) - brown algae
01 Order Ectocarpales Bessey (1907)
02.1 Order Chordariales
02.2 Order Ishigeales Cho, Lee & Boo (2004)
02.3 Order Scytothamnales Peters & Clayton (1998)
03 Order Cutleriales Bessey (1907)
04 Order Tilopteridales Bessey (1907)
05.1 Order Sphacelariales Migula (1908)
05.2 Order Syringodermatales Henry (1984)
06 Order Dictyotales Bory (1828)
07 Order Sporochnales Sauvageau (1926)
08 Order Desmarestiales Setchell & Gardner (1925)
09 Order Dictyosiphonales
10 Order Scytosiphonales
11 Order Laminariales Migula (1908)
12 Order Fucales Kylin
13 Order Durvillaeales J. Petrov (1965)
14 Order Ascoseirales Petrov (1964) [monotypic]