organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
     related to multicellular groups
       Class Chlorophyceae Wille (1884) - chlorophytes
         Order Volvocida Francé, 1894, orth. zool. - volvocids see Order Chlamydomonadales F.E. Fritsch
           Suborder Chlamydomonadina see Order Volvocales Oltmanns (1904)
             Family Chlamydomonadidaeᵀ Stein, 1878 see Family Chlamydomonadaceae F. Stein (1878)
               Genus Polytomella Aragão (1910)
                 Polytomella parva E.G. Pringsheim