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 Chromophycota see Phylum Chromophyta T.A.Chr. (1962), nom. nud.
           Class Chrysophyceae Fritsch (1927)
             Subclass Chrysophycidae see Class Chrysophyceae Fritsch (1927)
               Order Chrysosphaerales Pascher (1914)
                 1 Family Chrysosphaeraceae Pascher (1914)
                 2 Family Chrysapionaceae see Family Chrysapiaceae
                 3 Family Stichogloeaceae Lemmermann (1899) see Family Phaeothamniaceae Hansgirg (1886)
                 4 Family Pterospermaceae see Family Halosphaeraceae Haeckel (1894)
                 4.0 Family "Pterosphermaceae" see Family Pterospermaceae