Hapalidiales order accepted

Atractophorales order accepted

Corynodactylales order accepted

Catenellopsidales order accepted

Qingjiangthallus R.Li & X.Zhang, 2022 genus doubtful

Sporolithales order accepted

Acrochaetiales order accepted

Ahnfeltiales order accepted

Batrachospermales order accepted

Bonnemaisoniales order accepted

Ceramiales order accepted

Herpophyllum J.Agardh, 1894 genus doubtful

Corallinales order accepted

Hildenbrandiales order accepted

Nemaliales order accepted

Pihiellales order accepted

Rhodogorgonales order accepted

Rhodymeniales order accepted

Corallinophycidae family accepted

Corallinapetraceae family accepted

Roseolithon L.M.Coutinho & Barros-Barreto genus accepted

Masloviporenilla B.Mamet & A.Preat, 2013 genus doubtful

Balbianiales order accepted

Balliales order accepted

Colaconematales order accepted

Gelidiales order accepted

Gigartinales order accepted

Gracilariales order accepted

Halymeniales order accepted

Palmariales order accepted

Plocamiales order accepted

Thoreales order accepted

Lobocolax M.A.Howe, 1914 genus accepted

Masloviporidium J.R.Groves & B.L.Mamet, 1985 genus doubtful

Enigma Weber-van Bosse, 1932 genus doubtful

Ramicrusta Zhang Derui & Zhou Jinghua genus doubtful

Sebdeniales order accepted

Nemastomatales order accepted

Cryptonemiales order accepted

Entwisleiales order accepted

Entocolax P.F.Reinsch, 1875 genus doubtful

Acrosymphytales order accepted

Eurysolenopora W.O.Dietrich, 1930 genus doubtful

Cuneiphycus J.H.Johnson, 1960 genus accepted

Gelidiales family synonym

Donezella V.P.Maslov, 1929 genus accepted

Pseudodonezella Mamet & Herbig, 1990 genus synonym

Sphaerococcales order accepted

Peyssonneliales order accepted

Rhodachlyales order accepted