organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Protoctista Hogg, 1860
     Phylum Rhodophyta Wettst. (1901) - red algae
       Genus Agardhiella K.J.F.Schmitz (1896)
       Genus Bangia Lyngb. (1819)
       Genus Batrachospermum Roth (1797)
       Genus Callophyllis Kuetzing (1843)
       Genus Chantransia DC. (1801)
       Genus Chondrus Stackh. (1797)
       Genus Corallina L. (1758)
       Genus Dasya C.Agardh (1824), nom. cons., orth. cons.
       Genus Erythrocladia Rosenvinge (1909)
       Genus Erythrotrichia Aresch. (1850)
       Genus Gelidium J.V. Lamour. (1813)
       Genus Goniotrichum Kütz. (1843) see Genus Erythrotrichia Aresch. (1850)
       Genus Hildebrandia Jordan & Evermann (1927) see Genus Hildenbrandia Nardo (1834)
       Genus Lemanea Bory (1808), nom. cons.
       Genus Lithothamnion Heydrich (1897), nom. cons.
       Genus Nemalion Duby (1830)
       Genus Polysiphonia Grev. (1823)
       Genus Porphyra C.Agardh (1824), nom. cons.
       Genus Porphyridium Nägeli (1849), nom. cons.
       Genus Rhodymenia Grev. (1830), nom. cons., orth. cons.
       1 Class Florideae see Subclass Florideophycideae
       2 Class Bangiales F.Schmitz see Subclass Bangiophycideae