Pflanzenreich Haeckel (1866) - plants Division Euthallophyta Subdivision Euphyceae Class Phaeophyceae Hansgirg (1886) - brown algae Family Ectocarpaceae C.Agardh (1828) Family Choristocarpaceae Kjellman (1891) see Family Sphacelariaceae Decaisne (1842) Family Sphacelariaceae Decaisne (1842) Family Encoeliaceae Family Striariaceae Family Desmarestiaceae (Thuret) Kjellman (1880) Family Dictyosiphonaceae Family Myriotrichiaceae Family Elachistaceae Family Stilophoraceae Family Spermatochnaceae Family Sporochnaceae Grev. (1830) Family Ralfsiaceae Farlow (1881) Family Laminariaceae Bory (1827) Family Lithodermataceae Family Cutleriaceae Griffith & Henfr. (1856) Family Tilopteridaceae Kjellman (1890) Family Fucaceae Adans. (1763) Family Chordariaceae Grev. (1830)