[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 Fucales Kylin Family Himanthaliaceae (Kjellman) De Toni (1891) Genus Himanthalia Lyngbye (1819), nom. cons. 1 Himanthalia elongata (L.) Gray (1821) - sea thong