| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Hydrolithon boergesenii (Foslie) Foslie |
Western Central Atlantic | ||
| Hydrolithon boreale (Foslie) Y.M. Chamberlain |
Western Indian Ocean | ||
| Hydrolithon craspedium (Foslie) P.C.Silva, 1996 |
Eastern Central Pacific | ||
| Hydrolithon cymodoceae (Foslie) Penrose |
Eastern Indian Ocean | ||
| Hydrolithon farinosum (J.V. Lamouroux) D. Penrose & Y.M. Chamberlain |
Indo-Pacific and Western Central Atlantic | ||
| Hydrolithon gardineri (Foslie) Verheij & Prud'homme van Reine |
Eastern Pacific | ||
| Hydrolithon improcerum (Foslie & Howe) Foslie |
Western Indian Ocean | ||
| Hydrolithon onkodes (Heydrich) Penrose & Woelkerling |
Indo-Pacific | ||
| Hydrolithon pachydermum (Foslie) J.C.Bailey, J.E.Gabel, & D.W.Freshwater, 2004 |
Western Central Atlantic | ||
| Hydrolithon reinboldii (Weber-van Bosse & Foslie) Foslie |
Indo-Pacific | ||
| Hydrolithon samoënse (Foslie) Keats & Y.M. Chamberlain, 1994 |
Eastern Pacific |