| Unknown | |
Ascophyllum
| Stackh. | Mém. Soc. Imp. Naturalistes Moscou 2: 54, 66 | 1809 |
| Bifurcariopsidaceae | |
Bifurcariopsidaceae
| | | |
| Cystoseiraceae | |
Cystoseiraceae
| De Toni | | |
| Durvillaeaceae | |
Durvillaeaceae
| | | |
| Unknown | * |
Fistularia
| Stackh. | Nereis Brit., ed. 2 viii, xi | 1816 |
| Fucaceae | |
Fucaceae
| Adans. | Fam. Pl. 2: 12 | 1763 |
| Himanthaliaceae | |
Himanthaliaceae
| | | |
| Hormosiraceae | |
Hormosiraceae
| | | |
| Notheiaceae | |
Notheiaceae
| | | |
| Sargassaceae | |
Sargassaceae
| | | |
| Seirococcaceae | |
Seirococcaceae
| | | |
| Xiphophoraceae | |
Xiphophoraceae
| | | |