| Name | Amphidesmium |
| Authorship | |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Metaxyaceae |
| Contains | Amphidesmium blechnoides (Rich. ex Hook.) Klotzsch Amphidesmium parkeri Schott Amphidesmium rostratum (Kunth) J.Sm. Amphidesmium sp. |
| Name | Amphidesmium |
| Authorship | |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Metaxyaceae |
| Contains | Amphidesmium blechnoides (Rich. ex Hook.) Klotzsch Amphidesmium parkeri Schott Amphidesmium rostratum (Kunth) J.Sm. Amphidesmium sp. |