Kingdom Plantae Haeckel (1866) - plants Subkingdom Rhodoplantae G.W.Saunders & Hommers. (2004) Phylum Rhodophyta Wettst. (1901) - red algae Subphylum Eurhodophytina G.W.Saunders & Hommers. (2004) Class Florideophyceae Cronquist (1960) Subclass Rhodymeniophycidae G.W.Saunders & Hommers. (2004) Order Bonnemaisoniales Feldmann & Feldm.-Maz. (1942) ?Family Naccariaceae Kylin (1928)