organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Eukaryota Chatton, 1925 - eukaryotes Algae Phylum Rhodophyta Wettst. (1901) - red algae Class Rhodophyceae Thuret (1855) - red algae see Phylum Rhodophyta Wettst. (1901) 1 Order Bangiales Nägeli (1847) 2 Order Corallinales P.C.Silva & H.W.Johans. (1986) 3 Order Nemaliales F.Schmitz (1892) 4 Order Ceramiales Oltmanns 5 Order Gigartinales F.Schmitz 6 †solenoporaceans