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 Chlorococcales Pascher see Order Chlamydomonadales F.E. Fritsch
               Family Hydrodictyaceae Dumort.
                 Genus Euastropsis Lagerheim (1895)
                 Genus Hydrodictyon Roth, nom. cons.
                 Genus Pediastrum F.J.F. Meyen (1829)
                 Genus Sorastrum Kützing (1845)