Nettastomatidae

thumb|Duckbill eel from 2017 NOAA Okeanos expedition at a depth of 2,600m (8530ft)

Nettastoma, from Ancient Greek νῆττα (nêtta), meaning "duck", and στόμα (stóma), meaning "mouth", is a genus of eels in the duckbill eel family Nettastomatidae.

Facciolella is a genus of eels in the duckbill eel family Nettastomatidae.

Saurenchelys is a genus of eels in the duckbill eel family Nettastomatidae.

Hoplunnis is a genus of eels in the duckbill eel family Nettastomatidae. It currently contains the following species:

Venefica is a genus of eels in the duckbill eel family Nettastomatidae. It currently contains the following species:

Nettenchelys is a genus of eels in the duckbill eel family Nettastomatidae.