Kappaphycopsis Dumilag & Zuccarello, 2022 genus doubtful

Tepoztequiella Núñez-Resendiz, Dreckmann & Sentíes, 2018 genus accepted

Eucheumatopsis Núñez-Resendiz, Dreckmann & Sentíes, 2019 genus accepted

Mimica W.J.E.Santiañez & M.J.Wynne, 2020 genus accepted

Kappaphycus Doty, 1988 genus accepted

Betaphycus Doty, 1996 genus accepted

Tikvahiella Kraft & Gabrielson, 1983 genus doubtful

Mammea J.Agardh, 1841 genus synonym

Gardneriella Kylin, 1941 genus accepted

Sarconema Zanardini, 1858 genus accepted

Eucheuma J.Agardh, 1847 genus accepted

Thysanocladia Endlicher, 1843 genus synonym

Solieria J.Agardh, 1842 genus accepted

Placentophora Kraft, 1976 genus accepted

Flahaultia Bornet, 1892 genus accepted

Melanema Min-Thein & Womersley, 1976 genus doubtful

Sarcodiotheca Kylin, 1932 genus accepted

Neoagardhiella M.J.Wynne & W.R.Taylor, 1973 genus synonym

Callophycus Trevisan, 1848 genus accepted

Meristotheca J.Agardh, 1872 genus accepted

Wurdemannia Harvey, 1853 genus accepted

Tacanoosca J.N.Norris, P.W.Gabrielson & D.P.Cheney, 2014 genus doubtful

Agardhiellopsis M.Lemoine, 1966 genus accepted

Lenormandia Montagne, 1844 genus doubtful

Agardhiella F.Schmitz, 1897 genus accepted

Euryomma F.Schmitz, 1897 genus accepted