Domain Eucaryota Subdomain Chlorota Doweld (2001) Kingdom Rhodymeniobiota Starobogatov ex Doweld (2001) Subkingdom Glaucocystobiotina Doweld (2001) [monotypic] Phylum Glaucocystophyta Kies & Kremer (1986) [monotypic] see Phylum Glaucophyta Skuja (1954) Class Glaucocystophyceae Schaffner (1922) see Class Glaucophyceae Bohlin (1901)