Viridiplantae Cavalier-Smith, 1981 - green plants see Subkingdom Viridiplantae Caval.-Sm. (1981) Chlorophyta Pascher (1914) - green algae prasinophytes Mamiellophyceae Marin & Melkonian (2010) Mamiellales Moestrup (1984) Genus Ostreococcus C. Courties & M.-J. Chrétiennot-Dinet (1995) 1 Ostreococcus tauri C. Courties & M.-J. Chrétiennot-Dinet (1995)