| Species | Name Used in Reference |
|---|---|
| Syacium guineense (Bleeker, 1862) | Syacium guineensis (p. 67) |
| Syacium gunteri Ginsburg, 1933 | Syacium gunteri (p. 71) |
| Syacium latifrons (Jordan & Gilbert, 1882) | Syacium latifrons (p. 89) |
| Syacium longidorsale Murakami & Amaoka, 1992 | Syacium longidorsale (p. 82) |
| Syacium maculiferum (Garman, 1899) | Syacium maculiferum (p. 88) |
| Syacium micrurum Ranzani, 1842 | Syacium micrurum (p. 74) |
| Syacium ovale (Günther, 1864) | Syacium ovale (p. 86) |
| Syacium papillosum (Linnaeus, 1758) | Syacium papillosum (p. 78) |