Neodilsea Tokida, 1943 genus accepted

Gibsmithia Doty, 1963 genus accepted

Pikea Harvey, 1853 genus accepted

Thuretellopsis Kylin, 1925 genus accepted

Nizzophlaea J.G. Agardh, 1876 genus accepted

Hyalosiphonia Okamura, 1909 genus accepted

Kraftia Shepley & Womersley, 1983 genus accepted

Leptocladia J.Agardh, 1892 genus accepted

Constantinea Postels & Ruprecht, 1840 genus accepted

Cryptosiphonia J.Agardh, 1876 genus accepted

Dasyphloea Montagne, 1842 genus accepted

Dilsea Stackhouse, 1809 genus accepted

Dudresnaya P.L. Crouan & H.M. Crouan, 1835 genus accepted

Dumontia J.V.F. Lamouroux, 1813 genus accepted

Masudaphycus S.C. Lindstrom, 1988 genus accepted

Orculifilum Lindstrom, 1987 genus accepted

Paleopikea B.C. Parker & E.Y. Dawson, 1965 genus accepted

Farlowia J.Agardh, 1876 genus accepted

Tiarophora J.Agardh, 1890 genus accepted

Waernia R.T. Wilce, C.A. Maggs & J.R. Sears, 2003 genus accepted

Weeksia Setchell, 1901 genus accepted

Rhodopeltis Harvey, 1863 genus accepted

Sarcophyllis J.G. Agardh, 1876 genus accepted

Perichorda E.M. Fries, 1835 genus accepted