| Brachythrix A. Braun, 1865 |
| Brachythrix confervicola A. Braun, 1865 |
| Chamaecalyx Komárek & Anagn., 1986 |
| Chamaecalyx calyculatus Gold-Morgan, Montejano-Zurita & Komàrek, 1996 |
| Chamaecalyx clavatus (Setch. & N. L. Gardner) Komárek & Anagn., 1986 |
| Chamaecalyx fucicola (Saunders) Komárek & Anagn., 1986 |
| Chamaecalyx swirenkoi (Sirsov) Komárek & Anagn., 1986 |
| Chamaesiphon Braun & Grunow, 1865 |
| Chamaesiphon amethystinus (Rostafinski) Lemmerm., 1907 |
| Chamaesiphon amethystinus var. africanus (Schmidle) Komárek & Anagn., 1986 |
| Chamaesiphon amethystinus var. amethystinus (Rostafinski) Lemmerm., 1907 |
| Chamaesiphon clavatus Setch. & N. L. Gardner, 1930 |
| Chamaesiphon confervicolus A. Braun, 1865 |
| Chamaesiphon filamentosus Ghose, 1924 |
| Chamaesiphon incrustans Grunow, 1865 |
| Chamaesiphon minutus (Rostaf.) Lemmerm., 1910 |
| Chamaesiphon sansibaricus Hieron., 1895 |
| Chamaesiphonaceae Borzi, 1882 |
| Chamaesiphonopsis Fritsch, 1929 |
| Godlewskia Jancz., 1883 |