Boodleopsis A. Gepp & E.S. Gepp, 1911 genus accepted

Botryodesmis Kraft, 2007 genus accepted

Penicillus Lamarck, 1813 genus accepted

Poropsis Kützing, 1856 genus accepted

Rhipocephalus Kützing, 1843 genus accepted

Tydemania Weber-van Bosse, 1901 genus accepted

Olafsenia V.B.A. Trevisan, 1849 genus accepted

Chlorodesmis Harvey & Bailey, 1841 genus accepted

Chloroplegma G. Zanardini, 1858 genus provisionally accepted

Fradelia J.F. Chauvin, 1842 genus accepted

Geppina Farghaly, 1980 genus accepted

Clibeca J. Poncet, 1975 genus accepted

Coralliodendron F.T. Kützing, 1841 genus provisionally accepted

Corallocephalus F.T. Kützing, 1843 genus provisionally accepted

Photophobe (S.L. Endlicher) J.F.C. Montagne in A.C.V.D. d'Orbigny, 1847 genus accepted

Pseudochlorodesmis Børgesen, 1925 genus accepted

Pseudopenicillus O. Dragastan, D.K. Richter, B. Kube, M. Popa, A. Sarbu & I. Ciugulea, 1997 genus accepted

Rhipidosiphon Montagne, 1842 genus accepted

Rhipiliella Kraft, 1986 genus accepted

Rhipozonium F.T. Kützing, 1841 genus provisionally accepted

Siphonogramen I.A. Abbott & J.A. Huisman, 2004 genus accepted

Udotea J.V.F. Lamouroux, 1812 genus accepted