Subphylum Eurhodophytina (red algae)
Parent taxon: Rhodophyta according to J. Hrabovsky et al. 2021
See also Hrabovsky et al. 2019 and Schneider and Wynne 2007
Sister taxa: Anomalophycus, Cambrinaceae, Chenilleophycus, Cretacicrusta, Guangxilamina, Kordephyton, Ludloviaceae, Menselina, Metarhodophytina, Pasinia, Pseudokomia, Rhodellophytina, Rhodophyceae, Sajania, Stacheinaceae, Stenogrammites, Tetradium, Waputikia
Subtaxa: Bangiophyceae Florideophyceae