- Bathyophis ferox Günther, 1878 accepted as Idiacanthus fasciola Peters, 1877
- Idiacanthus antrostomus Gilbert, 1890
- Idiacanthus atlanticus Brauer, 1906
- Idiacanthus fasciola Peters, 1877
- Idiacanthus niger Regan, 1914 accepted as Idiacanthus atlanticus Brauer, 1906
- Idiacanthus retrodorsalis Thompson, 1916 accepted as Idiacanthus atlanticus Brauer, 1906
- Stylophthalmus paradoxus Brauer, 1902 accepted as Idiacanthus fasciola Peters, 1877