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 Volvocales Oltmanns (1904) see Order Chlamydomonadales F.E. Fritsch
               Family Phacotaceae Francé (1894)
                 Genus Coccomonas S.F.N. von Stein (1878)
                 Genus Dysmorphococcus Takeda (1916)
                 Genus Fortiella Pascher (1927)
                 Genus Pedinopera A.A. Pascher (1925)
                 Genus Phacotus Perty (1852)
                 Genus Pteromonas Seligo (1887)