Number of subclasses reported for the class Florideophyceae: 4
| N° | Name of the subclass |
|---|---|
| Rhodymeniophycidae | |
| Nemaliophycidae | |
| Corallinophycidae | |
| Hildenbrandiophycidae |
| N° | Name of the subclass |
|---|---|
| Rhodymeniophycidae | |
| Nemaliophycidae | |
| Corallinophycidae | |
| Hildenbrandiophycidae |