| Rhodymenia schmittii W.R. Taylor, 1939 |
| Rhodymenia setchellii Weber van Bosse, 1928 |
| Rhodymenia spinulosa Okamura, 1934 |
| Rhodymenia stenoglossa J. Agardh, 1885 |
| Rhodymenia stipitata Kylin, 1925 |
| Rhodymeniaceae Harv., 1849 |
| Sparlingia G.W. Saunders, I.M. Strachan, & G.T. Kraft, 1999 |
| Sparlingia pertusa (Postels & Rupr.) G.W. Saunders, I.M. Strachan & Kraft, 1999 |
| Sparlingia stipitata (Kylin) Klochkova, 1925 |