[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 Gracilariales Fredericq & Hommers. 1 Family Gracilariaceae Nägeli (1847) 2 Family Pterocladiophilaceae Fan & Papenfuss (1959)