[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Kingdom Algae L. (1753) see [unranked] Algae Phylum Phaeophycota see Class Phaeophyceae Hansgirg (1886) Class Phaeophyceae Hansgirg (1886) - brown algae Order Desmarestiales Setchell & Gardner (1925) Family Desmarestiaceae (Thuret) Kjellman (1880) 1 Genus Desmarestia J.V.F. Lamouroux (1813), nom. cons.