Number of species reported for the genus Spermothamnion: 2
| N° | Name of the species |
|---|---|
| Spermothamnion investiens (P.Crouan & H.Crouan) Vickers | |
| Spermothamnion macromeres Collins & Hervey |
| N° | Name of the species |
|---|---|
| Spermothamnion investiens (P.Crouan & H.Crouan) Vickers | |
| Spermothamnion macromeres Collins & Hervey |