Botryocladia (J.G. Agardh) Kylin, 1931 genus accepted

Chamaebotrys Huisman, 1996 genus accepted

Chrysymenia J.Agardh, 1842 genus accepted

Microphyllum Weber-van Bosse, 1928 genus accepted

Cephalocystis A.J.K. Millar, G.W. Saunders, I.M. Strachan & G.T. Kraft, 1996 genus accepted

Cordylecladia J.Agardh, 1852 genus accepted

Cryptarachne (W.H. Harvey) Kylin, 1931 genus accepted

Erythrocolon J.Agardh, 1896 genus accepted

Rhodymenia Greville, 1830 genus accepted

Irvinea M.D. Guiry in G.W. Saunders, I.M. Strachan & G.T. Kraft, 1999 genus accepted

Leptosomia J.Agardh, 1892 genus accepted

Coelarthrum Børgesen, 1910 genus accepted

Cresia C. Lozada-Troche, D.L. Ballantine & H. Ruíz, 2010 genus accepted

Dendrymenia Skottsberg, 1923 genus accepted

Maripelta E.Y. Dawson, 1963 genus accepted

Gloiosaccion Harvey, 1859 genus accepted

Halichrysis (J.G. Agardh) F. Schmitz, 1889 genus accepted

Halopeltis J.Agardh, 1854 genus accepted

Gazzaea C.W. Schneider & C.E. Lane in Schneider et al., 2020 genus accepted

Rhodymeniocolax Setchell, 1923 genus accepted

Sciadophycus E.Y. Dawson, 1944 genus accepted

Sparlingia G.W. Saunders, I.M. Strachan & G.T. Kraft, 1999 genus accepted

Agardhinula De Toni, 1897 genus accepted