| Order | Family | Image | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Conservation status | Notes | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Corallinales | Corallinaceae |
|
Bossiella orbigniana | |||||
| 2 | Ceramiales | Ceramiaceae |
|
Antithamnionella ternifolia | |||||
| 3 | Halymeniales | Halymeniaceae |
|
Grateloupia turuturu |