| Nominal Species (n = 9) | Present allocation (n = 9) | Ref. | 
|---|---|---|
| Halymenia dilatata Zanardini | Halymenia dilatata | 80701 | 
| Halymenia durvillei Bory de Saint-Vincent | Halymenia durvillei | 80701 | 
| Halymenia floridana J. Agardh | Halymenia floridana | 80701 | 
| Prionitis galapagensis W.R. Taylor | Prionitis galapagensis | 80701 | 
| Prionitis hancockii W.R. Taylor | Prionitis hancockii | 80701 | 
| Cryptonemia obovata J. Agardh | Cryptonemia obovata | 80701 | 
| Halymenia santamariae W.R. Taylor | Halymenia santamariae | 80701 | 
| Pachymenia saxicola W.R. Taylor | Pachymenia saxicola | 80701 | 
| Cryptonemia umbraticola E.Y. Dawson | Cryptonemia umbraticola | 80701 |