| genus |
Abbottella Hollenberg, 1967 |
doubtful |
| genus |
Acanthophora J.V.F.Lamouroux, 1813 |
accepted |
| genus |
Acanthosiphonia A.M.Savoie & G.W.Saunders, 2019 |
doubtful |
| genus |
Acrocystis Zanardini, 1872 |
accepted |
| genus |
Adamsiella L.E.Phillips & W.A.Nelson, 2002 |
doubtful |
| genus |
Aiolocolax M.A.Pocock, 1956 |
doubtful |
| genus |
Alleynea Womersley, 2003 |
doubtful |
| genus |
Alsidium C.Agardh, 1827 |
accepted |
| genus |
Amansia J.V.F.Lamouroux, 1809 |
accepted |
| genus |
Amplisiphonia Hollenberg, 1939 |
accepted |
| genus |
Ancanthophora |
accepted |
| genus |
Aneurianna L.E.Phillips, 2006 |
accepted |
| genus |
Antarctocolax Skottsberg, 1953 |
doubtful |
| genus |
Aphanocladia Falkenberg, 1897 |
accepted |
| genus |
Ardissonula G.De Toni, 1936 |
doubtful |
| genus |
Benzaitenia Yendo, 1913 |
doubtful |
| genus |
Beringiella M.J.Wynne, 1980 |
doubtful |
| genus |
Boergegeseniella |
accepted |
| genus |
Boergeseniella Kylin, 1956 |
accepted |
| genus |
Bostrychia Montagne, 1842 |
accepted |
| Show more |
