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 Ulvophyceae K.R. Mattox & K.D. Stewart (1984) - ulvophytes
                                   Order Bryopsidales J.H.Schaffn. (1922)
                                     1 Suborder Bryopsidineaeᵀ
                                     1.1 Family Bryopsidaceaeᵀ Bory
                                     1.2 Family Derbesiaceae Hauck
                                     2 Family Dichotomosiphonaceae Chadef. ex G.M. Sm. [monotypic]
                                     2 Suborder Halimedineae
                                     3.1 Family Chaetosiphonaceae Blackman & Tansley [monotypic]
                                     3.2.1 Family Udoteaceae J.Agardh
                                     3.2.2 Family Halimedaceae Link
                                     3.3 Family Caulerpaceae Kütz.
                                     4.1 Family Ostreobiaceae P.C.Silva [monotypic]
                                     4.2 Family Pseudocodiaceae L. Hillis-Colinvaux [monotypic]
                                     4.3 Family Codiaceae Kütz. (1843)