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
"prasinophytes"
Order Pyramimonadales Chadefaud
Family Halosphaeraceaeᵀ Haeckel (1894)
Genus Pterosperma Pouchet (1893)
Pterosperma cristatum J. Schiller (1925)
Pterosperma eurypteron M. Parke, in M. Parke, G.T. Boalch, R. Jowett & D.S. Harbour (1978)
Pterosperma marginatum Gaarder (1954)
Pterosperma moebii (E.H. Jørg., 1899) C.E.H. Ostenfeld, in C.E.H. Ostenfeld & J. Schmidt (1901)
Pterosperma nationalis Lohmann (1904)
Pterosperma parallelum K.R. Gaarder (1938)
Pterosperma polygonum Ostenfeld, in Ostenfeld & J. Schmidt (1901)
Pterosperma rotundatum
Pterosperma undulatum Ostenfeld, in Ostenfeld & J. Schmidt (1901)
Pterosperma vanhoeffenii (E.H. Jørg., 1899) C.E.H. Ostenfeld, in C.E.H. Ostenfeld & J. Schmidt (1901)