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 Plantae Haeckel (1866) - plants
Clade Rhodaria Cavalier-Smith 2021
Subkingdom Rhodoplantae G.W.Saunders & Hommers. (2004) [monotypic]
Phylum Rhodophyta Wettst. (1901) - red algae
Subphylum Eurhodophytina G.W.Saunders & Hommers. (2004)
Class Florideophyceae Cronquist (1960)
Subclass Rhodymeniophycidae G.W.Saunders & Hommers. (2004)
1 Order Acrosymphytales R.D. Withall & G.W.Saunders
2 Order Gelidiales Kylin
3 Order Gracilariales Fredericq & Hommers.
4 Order Bonnemaisoniales Feldmann & Feldm.-Maz. (1942)
5.1 Order Halymeniales G.W.Saunders & Kraft
5.2 Order Peyssonneliales Krayesky, Fredericq & J.N.Norris
6.1 Order Nemastomatales Kylin
6.2 Order Sebdeniales R.D. Withall & G.W.Saunders [monotypic]
6.3 Order Gigartinales F.Schmitz
7 Order Plocamiales G.W.Saunders & Kraft
8 Order Rhodymenialesᵀ F.Schmitz (1892)
9 Order Ceramiales Oltmanns