[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 Ceramiales Oltmanns
           Family Rhodomelaceae Horan. (1847), nom. cons.
             01 Genus Acanthophora J.V.F. Lamouroux (1813)
             02 Genus Aiolocolax M.A. Pocock (1956)
             03 Genus Alsidium C.Agardh (1827)
             04 Genus Aphanocladia Falkenberg, in Engl. & Prantl (1897)
             05 Genus Boergeseniella Kylin (1956)
             06 Genus Bostrychia Mont. (1842), nom. cons.
             07 Genus Brongniartella Bory (1822)
             08 Genus Chondria C.Agardh (1817), nom. cons.
             09 Genus Chondrophycus (J. Tokida & Y. Saito) D.J. Garbary & J.T.Harper (1998)
             10 Genus Ctenosiphonia Falkenberg, in Engl. & Prantl (1897)
             11 Genus Digenea C.Agardh (1822)
             12 Genus Dipterosiphonia K.J.F.Schmitz & Falkenberg, in Engl. & Prantl (1897)
             13 Genus Erythrocystis J.Agardh (1876)
             14 Genus Halopithys Kuetzing (1843)
             15 Genus Janczewskia Solms-Laubach (1877)
             16 Genus Laurencia J.V.F. Lamouroux (1813), nom. cons.
             17 Genus Leptosiphonia Kylin (1956)
             18 Genus Lophocladia K.J.F.Schmitz (1893)
             19 Genus Lophosiphonia Falkenberg, in Engl. & Prantl (1897)
             20 Genus Odonthalia Lyngbye (1819), nom. cons.
             21 Genus Ophidocladus Falkenberg, in Engl. & Prantl (1897)
             22 Genus Osmundaria Lamouroux (1813)
             23 Genus Osmundea Stackhouse (1809)
             24 Genus Pterosiphonia Falkenberg, in Engl. & Prantl (1897)
             25 Genus Rhodomela C.Agardh (1822), nom. cons.
             26 Genus Rodriguezella Schmitz (1895)
             27 Genus Rytiphloea C.A. Agardh (1817) see Genus Rytiphlaea C.Agardh (1817)
             28 Genus Stichothamnion Boergesen (1930)
             29 Genus Streblocladia Schmitz, in Engl. & Prantl (1897)
             30 Genus Symphyocladia Falkenberg, in Engl. & Prantl (1897)
             31 Genus Womersleyella Hollenberg (1967)