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
Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
Phylum Chlorophyta Pascher (1914) [coordinate rank] - green algae
"core chlorophytes"
Class Chlorophyceae Wille (1884) - chlorophytes
Order Sphaeropleales Luerssen (1877)
Family Scenedesmaceae Oltmanns
Genus Coelastropsis Fott & T. Kalina (1979)
Genus Dicellula Swirenko (1926)
?Genus Gloeopedia
Genus Schmidledesmus P.C.Silva (1970)
01 Genus Actinastrum Lagerheim (1882)
02 Genus Bilgramia R.N. Yadava (1990) [monotypic]
03 Genus Coelastrum Nägeli (1849)
04 Genus Coronastrum R.H. Thompson [monotypic]
05.1 Genus Crucigenia C. Morren (1830)
05.2 Genus Crucigeniella Lemmermann
05.3 Genus Willea Schmidle [monotypic]
06 Genus Danubia F. Hindák
07 Genus Dicloster C.C. Jao et al. (1976) [monotypic]
08 Genus Didymocystis O.A. Korshikov (1953) [monotypic]
09 Genus Didymogenes W. Schmidle (1905)
10 Genus Dimorphococcus A.Braun (1855)
11 Genus Enallax A.A. Pascher (1943)
12 Genus Gloeoactinium G.M. Sm. (1926) [monotypic]
13 Genus Komarekia Fott (1981)
14 Genus Lauterborniella W. Schmidle (1900) [monotypic]
15 Genus Pseudodidymocystis E. Hegewald & T.R. Deason
16 Genus Scenedesmusᵀ F.J.F. Meyen (1829)
17 Genus Schroederiella J. Woloszynska (1914)
18 Genus Tetradesmus G.M. Sm. (1913)
19 Genus Tetrallantos Teiling (1916)
20 Genus Tetranephris C.R. Leite & C.E.M. Bicudo (1977) [monotypic]
21 Genus Tetrastrum R. Chodat (1895)
22.1 Genus Westella De Wildeman (1897)
22.2 Genus Westellopsis C.C. Jao [monotypic]