| Surirella splendida (Ehrenb.) Kütz., 1844 |
| Surirella striatula Turpin, 1828 |
| Surirella subsalsa W. Sm., 1853 |
| Surirella susanae Metzeltin & Lange-Bert., 1998 |
| Surirella tenera W. Greg., 1856 |
| Surirella utahensis (Grunow, 1929 |
| Surirella visurgis Hust., 1957 |
| Surirellaceae Kütz., 1844 |
| Thalassiophysa Conger, 1954 |
| Thalassiophysa hyalina (Grev.) Paddock & P.A. Sims, 1981 |
| Thalassiophysa rhipidis Conger, 1954 |