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 Neochloridaceae Ettl & Komárek
                                       Genus Tetraedron Kützing (1845)
                                         Tetraedron armatum
                                         Tetraedron arthrodesmiforme
                                         Tetraedron asymmetricum
                                         Tetraedron bifurcatum (Wille) Lagerheim
                                         Tetraedron caudatum (Corda, 1839) Hansgirg (1888)
                                         Tetraedron constrictum G.M. Sm.
                                         Tetraedron cruciatum
                                         Tetraedron enorme (Reinsch) Hansgirg
                                         Tetraedron gigas (Wittrock) Hansgirg
                                         Tetraedron gracile (Reinsch) Hansgirg
                                         Tetraedron hastatum (Reinsch) Chodat
                                         Tetraedron limneticum
                                         Tetraedron lobulatum (Nägeli) Hansgirg
                                         Tetraedron lunula
                                         Tetraedron minimum (A.Braun) Hansgirg
                                         Tetraedron muticum
                                         Tetraedron obesum
                                         Tetraedron pentaedricum
                                         Tetraedron planctonicum G.M. Sm.
                                         Tetraedron pusillum
                                         Tetraedron quadratum (Reinsch) Hansgirg
                                         Tetraedron regulare Kützing (1845)
                                         Tetraedron trigonum
                                         Tetraedron tumidulum (Reinsch) Hansgirg
                                         Tetraedron verrucosum G.M. Sm.
                                         Tetraedron victoriae