Kingdom Protoctista Hogg, 1860 Phylum Chlorophyta Pascher (1914) - green algae Class Chlorophyceae Wille (1884) - chlorophytes Order Volvocales Oltmanns (1904) see Order Chlamydomonadales F.E. Fritsch Family Astrephomenaceae Pocock (1954) see Family Goniaceae (Pascher) Pascher (1931) Genus Astrephomene M.A. Pocock (1954)