Domain Eucaryota Subdomain Chlorota Doweld (2001) Kingdom Rhodymeniobiota Starobogatov ex Doweld (2001) Subkingdom Rhodymeniobiotina Doweld (2001) 1 Phylum Cyanidiophyta Moehn ex Doweld (2001) [monotypic] see Subphylum Cyanidiophytina 2 Phylum Rhodymeniophyta Doweld (2001)