Kuwaitiella A.H.Hasan, P.Van der Aa, F.C.Küpper, D.Al-Bader & A.F.Peters, 2022 genus doubtful

Conchocelichnus Radtke, S.E.Campbell & Golubić, 2016 genus doubtful

Neothemis A.Vergés & N.Sánchez, 2015 genus doubtful

Neoporphyra J.Brodie & L.-E.Yang, 2020 genus accepted

Neomiuraea N.Kikuchi, S.Arai, G.Yoshida, J.-A.Shin & M.Miyata, 2018 genus doubtful

Neopyropia J.Brodie & L.-E.Yang, 2020 genus accepted

Calidia L.-E.Yang & J.Brodie, 2020 genus synonym

Phycocalidia W.J.E.Santiañez & M.J.Wynne, 2020 genus doubtful

Uedaea J.Brodie & L.-E.Yang, 2020 genus doubtful

Allogonium Kützing, 1843 genus doubtful

Phyllona J.Hill, 1773 genus synonym

Porphyra C.Agardh, 1824 genus accepted

Zachariasia Lemmermann, 1895 genus doubtful

Wildemania De Toni, 1890 genus accepted

Aspalatia Ercegovic, 1927 genus synonym

Diploderma Kjellman, 1883 genus synonym

Diadenus Palisot de Beauvois ex O.Kuntze, 1891 genus synonym

Bangiella Gaillon, 1833 genus synonym

Porphyrella G.M.Smith & Hollenberg, 1943 genus accepted

Bangia Lyngbye, 1819 genus accepted

Conchocelis E.A.Batters, 1892 genus synonym

Girardia S.F.Gray, 1821 genus synonym

Boreophyllum S.C.Lindstrom, N.Kikuchi, M.Miyata & C.Neefus, 2011 genus accepted

Bangiadulcis W.A.Nelson, 2007 genus synonym

Fuscifolium S.C.Lindstrom, 2011 genus accepted

Lysithea W.A.Nelson, 2011 genus accepted

Minerva W.A.Nelson, 2005 genus accepted

Pseudobangia K.M.Müller & R.G.Sheath, 2005 genus doubtful

Porphyrea Solier, 1845 genus doubtful

Diplodermodium Kuntze, 1891 genus synonym

Bangiomorpha N.J.Butterfield, 2000 genus doubtful

Spermogonia T.Bonnemaison, 1822 genus doubtful

Pyropia J.Agardh, 1899 genus accepted

Palaeoconchocelis S.Campbell, J.Kazmierczak & S.Golubic, 1979 genus doubtful

Wildemania, 2011 genus doubtful

Miuraea N.Kikuchi, S.Arai, G.Yoshida, J.A.Shin & M.Miyata, 2011 genus synonym

Dione W.A.Nelson, 2005 genus accepted

Clymene W.A.Nelson, 2011 genus accepted

Themis N.Sánchez, A.Vergés, J.Sutherland & J.Brodie, 2014 genus doubtful