Viridiplantae Cavalier-Smith, 1981 - green plants see Subkingdom Viridiplantae Caval.-Sm. (1981) Chlorophyta Pascher (1914) - green algae prasinophytes Pyramimonadales Chadefaud 1 Genus Pyramimonas Schmarda (1850) 2 Genus Cymbomonas J. Schiller (1913) 3 Genus Pterosperma Pouchet (1893)