Ilyophinae

Ilyophis is a genus of marine ray-finned fishes belonging to the family Synaphobranchidae, the cutthroat eels. These eels are found in the Atlantic, Indian and Pacific Oceans.

Dysomma is a genus of marine ray-finned fishes belonging to the family Synaphobranchidae, the cutthroat eels. These eels are found in the Atlantic, Indian and Pacific Oceans.

Atractodenchelys is a genus of eels in the cutthroat eel family, Synaphobranchidae.

Dysommina is a genus of marine ray-finned fishes belonging to the family Synaphobranchidae, the cutthroat eels. These eels are known from the Atlantic and Pacific Oceans.

Meadia is a genus of eels in the cutthroat eel family Synaphobranchidae. It currently contains the following species:

Ilyophinae, the arrowtooth ells or mustard eels, is a subfamily of marine ray-finned fishes belonging to the family Synaphobranchidae, the cutthroat eels. Within its family this subfamily shows greatest number of species and the greatest morphological diversity.