Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
     Class Flagellata see Subphylum Mastigophora Diesing, 1866
       Order Phytomonadina see Order Volvocida Francé, 1894, orth. zool.
         Family Chlamydomonadidae Stein, 1878 see Family Chlamydomonadaceae F. Stein (1878)
           Genus Haematococcus J. von Flot. (1844)