organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   [Algae]
     Genus †Algacites Schloth. (1825)
     Genus Amphiconium Nees (1816), nom. dub., incertae sedis see Genus Trentepohlia Mart. (1817), nom. cons.
     Genus Avrainvillea M.J. Decne. (1842)
     Genus Bangia Lyngb. (1819)
     Genus Botrydium Wallr. (1815)
     ?Genus Cerasterias Reinsch (1867), nom. dub.
     Genus Chionaster Wille (1903), nom. dub., incertae sedis
     ?Genus Chlamydotomus Trevis. (1879), nom. dub.
     Chlorophyta Pascher (1914) - green algae
     Genus Chondrus Stackh. (1797)
     Genus Conferva L. (1753)
     Genus Eomyces F. Ludw. (1894), nom. dub., incertae sedis
     Genus Fucus L. (1753)
     Genus Gelidium J.V. Lamour. (1813)
     Genus Hassallia Trevis. (1848), nom. illeg.
     Genus Hildenbrandia Nardo (1834)
     ?Genus Hyalochlorella Poyton (1970), nom. dub.
     Genus Lemania Bory (1824)
     Genus Nematonostoc Nyl. ex Elenkin (1931) see Genus Nematonostoc Nylander ex Elenkin 1931
     Genus Palmella Lyngb. (1819)
     Genus Phyllocardium Korshikov (1927)
     Genus Plocaria Nees (1820), nom. rej. prop.
     Genus Prasiola Menegh. (1838)
     Genus Prototheca W. Krüger (1894), nom. dub.
     Genus Pseudospora Schiffn. (1931)
     Genus Scytonema C.Agardh ex Bornet & Flahault (1886) see Genus Scytonema Agardh ex Bornet and Flahault 1886
     Genus Sirosiphon Kütz. (1843), nom. inval. see Genus Sirosiphon Kützing ex Frank 1886
     Genus Stigonema C.Agardh ex Bornet & Flahault (1886) see Genus Stigonema Agardh ex Bornet and Flahault 1886
     ?Genus Syncoelium Wallr. (1833)
     ?Genus Torulopsidosira Geitler (1955)
     Genus Trentepohlia Mart. (1817), nom. cons.
     Genus Ulva L. (1753)