Circumtropical, except in the eastern Pacific.
- Sulak, K.J. and Y.N. Shcherbachev 1997 Zoogeography and systematics of six deep-living genera of synaphobranchid eels, with a key to taxa and description of two new species of Ilyophis. Bull. Mar. Sci. 60(3):1158-1194. (Ref. 26895) http://www.fishbase.org/references/FBRefSummary.php?id=26895&speccode=6957
No one has provided updates yet.