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 neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
                 Clade neozoa Cavalier-Smith 1993
                   Superkingdom Corticata Lankester, 1878
                     Kingdom Plantae Haeckel (1866) - plants
                       Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
                         Phylum Chlorophyta Pascher (1914) [coordinate rank] - green algae
                           Genus †Cymatiosphaera Wetzel, 1933 ex Deflandre, 1954
                             †Cymatiosphaera acuminata Mullins (2001)
                             ?†Cymatiosphaera imperfecta Le Hérissé (1989)
                             †Cymatiosphaera lawsonii Mullins (2001)
                             †Cymatiosphaera ledburica Dorning (1981)
                             †Cymatiosphaera mariae Cramer et al. (1976)
                             †Cymatiosphaera mortimerensis Mullins (2001)
                             †Cymatiosphaera multicristata Mullins (2001)
                             †Cymatiosphaera multisepta Deunff (1955)
                             †Cymatiosphaera octoplana Downie (1959)
                             †Cymatiosphaera paucimembranae Mullins (2001)
                             †Cymatiosphaera radiataᵀ Wetzel (1933)
                             †Cymatiosphaera salopensis Mullins (2001)