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 Euglenophycota see Phylum Euglenophyta Pascher (1931)
           Class Euglenophyceae W. Schoenichen (1925) see Class Euglenoidea Bütschli, 1884
             Order Sphenomonadales Leedale, 1967 see Suborder Sphenomonadina Leedale, 1967
               Genus Petalomonas F. Stein, 1859
               Genus Sphenomonas Stein, 1878