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| No. | Valid Name | Author | English Name |
| 1. | Forsterygion capito | (Jenyns, 1842) | Spotted robust triplefin |
| 2. | Forsterygion flavonigrum | Fricke & Roberts, 1994 | Yellow-and-black triplefin |
| 3. | Forsterygion gymnotum | Scott, 1977 | Tasmanian robust triplefin |
| 4. | Forsterygion lapillum | Hardy, 1989 | Common triplefin |
| 5. | Forsterygion malcolmi | Hardy, 1987 | Mottled triplefin |
| 6. | Forsterygion maryannae | (Hardy, 1987) | Oblique-swimming triplefin |
| 7. | Forsterygion nigripenne | (Valenciennes, 1836) | Estuarine triplefin |
| 8. | Forsterygion varium | (Forster, 1801) | Striped triplefin |