living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Thallobionta
         Division Chlorophycota see Phylum Chlorophyta Pascher (1914)
           Class Chlorophyceae Wille (1884) - chlorophytes
             Order Tetrasporales Lemmermann see Order Chlamydomonadales F.E. Fritsch
               Family Tetrasporaceae Wittr. (1872), nom. cons.
                 Genus Apiocystis Nägeli (1849)
                 Genus Chaetopeltis Berthold (1878)
                 ?Genus Gloeochaete Lagerh. (1883)
                 Genus Paulschulzia Skuja (1948)
                 Genus Schizochlamys A.Braun ex Kützing (1849)
                 Genus Tetraspora J.H.F. Link ex N.A. Desv. (1818)