Class Florideophyceae Cronquist 1960 (red algae)
Parent taxon: Eurhodophytina according to J. Hrabovsky et al. 2021
See also Hrabovsky et al. 2016, Hrabovsky et al. 2019, Kundal 2014, Kundal et al. 2016, Misra et al. 2016, Sarkar 2018, Schneider and Wynne 2007, Stockar 2000 and Tripalo 2017
Sister taxon: Bangiophyceae
Subtaxa: Ahnfeltiophycidae Corallinophycidae Corallinophycidea Cryptonemiales Dawsoniolithon Hildenbrandiophycidae Nemaliophycidae Prismostylus Rhodymeniophycidae