[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) Genus Irvinea M.D. Guiry in G.W.Saunders, I.M. Strachan & Kraft (1999)