[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Algae L. (1753) see [unranked] Algae
     Phylum Rhodophycota
       Class Rhodophyceae Thuret (1855) - red algae see Phylum Rhodophyta Wettst. (1901)
         Order Rhodymeniales F.Schmitz (1892)
           Family Rhodymeniaceae Harvey (1849)
             1 Genus Asteromenia Huisman & A.J.K.Millar (1996)
             2 Genus Botryocladia (J.Agardh) Kylin (1931), nom. cons.
             3 Genus Chrysymenia J.Agardh (1842)
             4 Genus Coelothrix Boergesen (1920)
             5 Genus Cordylecladia J.Agardh (1852)
             6 Genus Irvinea M.D. Guiry in G.W.Saunders, I.M. Strachan & Kraft (1999)
             7 Genus Rhodymenia Grev. (1830), nom. cons., orth. cons.