De familie Udoteaceae J. Agardh kent 27 geslachten.
| Ancestria Farghaly | Flabellaria J.V.Lamouroux | Pseudopenicillus O.Dragastan et al. |
| Boodleopsis A.Gepp & E.S.Gepp | Flabellaria Lamarck | Rhipidodesmis A.Gepp & E.S.Gepp |
| Botryodesmis Kraft | Flabellia Reichenbach | Rhipidosiphon Montagne |
| Callipsygma J.Agardh | Johnson-sea-linkia N.J.Eisman & S.A.Earle | Rhipiliella Kraft |
| Chlorodesmis Harvey & Bailey | Nesaea J.V.Lamouroux | Rhipocephalus Kützing |
| Chloroplegma G.Zanardini | Penicillus Lamarck | Rhipozonium Kützing |
| Coralliodendron Kützing | Poropsis Nizamuddin, El-Menifi et Godeh | Siphonogramen I.A.Abbott & Huisman |
| Corallocephalus Kützing | Poropsis Kützing | Tydemania Weber-van Bosse |
| Espera Decaisne | Pseudochlorodesmis F.Børgesen | Udotea J.V.Lamouroux |
