n = 4
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Histiobranchus australis | (Regan, 1913) | Histiobranchus australis | Synaphobranchidae | |
| Histiobranchus bathybius | (Günther, 1877) | Histiobranchus bathybius | Synaphobranchidae | Deep-water arrowtooth eel |
| Histiobranchus bruuni | Castle, 1964 | Histiobranchus bruuni | Synaphobranchidae | Bruun's cutthroat |
| Histiobranchus infernalis | Gill, 1883 | Histiobranchus bathybius | Synaphobranchidae | Deep-water arrowtooth eel |