| Erythrotrichia vexillaris (Montagne) Hamel, 1929 |
| Erythrotrichiaceae G.M. Sm., 1933 |
| Porphyrostromium Trevis., 1848 |
| Porphyrostromium boryanum (Mont.) P.C. Silva, 1996 |
| Porphyrostromium ciliare (Carmich.) M.J. Wynne, 1986 |
| Porphyrostromium pulvinatum (N.L. Gardner) J.A. West & Zuccarello, 2011 |
| Sahlingia Kornmann, 1989 |
| Sahlingia subintegra (Rosenv.) Kornmann, 1989 |
| Smithora Hollenberg, 1959 |
| Smithora naiadum (C.L. Anderson) Hollenberg, 1959 |