De familie Stylonemataceae K.M.Drew kent 17 geslachten.
| Bangiopsis F.Schmitz | Kyliniella Skuja | Rhodospora Geitler |
| Callonema Reinsch | Neevea Batters | Stylonema Reinsch |
| Chroodactylon Hansgirg | Petrovanella Kylin | Tsunamia J.A.West, G.I.Hansen, Zuccarello & T.Hanyuda |
| Chroothece Hansgirg | Purpureofilum J.A.West, Zuccarello & J.L.Scott | Vanhoeffenia Wille |
| Colacodictyon Feldmann | Rhodaphanes J.A.West, G.C.Zuccarello, J.L Scott & K.A.West | Zachariasia Lemmermann |
| Empselium G.I.Hansen & Scagel | Rhodosorus Geitler |
