[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Protista (Haeckel, 1866) - protists
     Phylum Protozoa (Goldfuss, 1818) C.T. von Siebold, 1854 see Kingdom Protozoa Goldfuss, 1818
       Subphylum Sarcomastigophora see Phylum Sarcomastigophora Honigberg & Balamuth, 1963
         Class Mastigophora Diesing, 1866 see Subphylum Mastigophora Diesing, 1866
           Subclass Phytomastigophorea
             Order Volvocida Francé, 1894, orth. zool. - volvocids see Order Chlamydomonadales F.E. Fritsch
               Genus Haematococcus J. von Flot. (1844)
                 1 Haematococcus pluvialis J. von Flot., 1844, typ. cons.