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 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
[crown] 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
Order Sphacelariales Migula (1908)
Family Sphacelariaceaeᵀ Decaisne (1842)
Genus Sphacelariaᵀ H.C. Lyngbye (1819)
Sphacelaria brachygonia Mont. (1843)
Sphacelaria mirabilis (Reinke ex Batters) Prud'homme van Reine (1982)
Sphacelaria plumula Zanardini (1865)
Sphacelaria reticulata Lyngbye (1818)
Sphacelaria rigidula Kütz. (1843)
Sphacelaria solitaria Kylin (1947)
Sphacelaria tsengii S.G.A. Draisma, Y.-S. Keum, W.F. Prud'homme van Reine & G.M. Lokhorst (1998)
1.1.1 Sphacelaria fusca (Huds.) Gray (1821)
1.1.2 Sphacelaria didichotoma Saunders
1.2 Sphacelaria californica Sauvageau
1.3.1 Sphacelaria yamadae Segawa
1.3.2 Sphacelaria tribuloides Meneghini (1840)
2 Sphacelaria cirrosaᵀ (Roth) C.Agardh (1824)