| Carpoblepharis curtissiae (J. Agardh) Wynne, 1985 |
| Centroceras Kütz., 1842 |
| Centroceras bellum Setch. & N.L. Gardner, 1924 |
| Centroceras clavulatum (C. Agardh) Mont., 1846 |
| Centroceras cryptacanthum Kütz., 1842 |
| Centroceras gasparrinii (Menegh.) Kütz., 1849 |
| Centroceras hyalacanthum Kütz., 1842 |
| Centroceras micracanthum Kütz., 1841 |
| Centrocerocolax A.B. Joly, 1966 |
| Centrocerocolax ubatubensis A.B. Joly, 1966 |
| Ceramiaceae Dumort., 1822 |
| Ceramieae Schmitz, 1889 |
| Ceramioideae De Toni, 1903 |
| Ceramium Roth, 1797 |
| Ceramium aduncum Nakamura, 1950 |
| Ceramium affine Setch. & N.L. Gardner, 1930 |
| Ceramium affine var. peninsulare E.Y. Dawson, 1950 |
| Ceramium avalonae E.Y. Dawson, 1949 |
| Ceramium borneense Weber-van Bosse, 1923 |
| Ceramium brasiliense A.B. Joly, 1957 |