Kingdom Protista (Haeckel, 1866) - protists Phylum Sarcomastigophora Honigberg & Balamuth, 1963 Subphylum Mastigophora Diesing, 1866 - flagellates Class Phytomastigophorea Calkins, 1909 - photosynthetic flagellates Order Volvocida Francé, 1894, orth. zool. - volvocids see Order Chlamydomonadales F.E. Fritsch Genus Chlamydomonas Ehrenb. (1834) Genus Eudorina Ehrenb. (1832) Genus Gonium O.F.Müll. (1773) Genus Pandorina Bory (1824) Genus Pleodorina W.R. Shaw (1894) Genus Volvox L. (1758)