| Species | Name Used in Reference |
|---|---|
| Megalonema amaxanthum Lundberg & Dahdul, 2008 | Megalonema amaxanthum (p. 447;fig.6) |
| Megalonema orixanthum Lundberg & Dahdul, 2008 | Megalonema orixanthum (p. 450; tab.1-2;fig.7) |
| Megalonema xanthum Eigenmann, 1912 | Megalonema xanthum (p. 443;tab.1-2;fig.4) |