Indo-West Pacific: Arabian Sea to Pakistan, India, Malaysia, Thailand, Indonesia, China, Japan, the Philippines, Papua New Guinea. Probably occurring in Sri Lanka (Ref. 13575). Many records need confirmation (Ref. 13575).
- Compagno, L.J.V. 1984 FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome: FAO. (Ref. 247) http://www.fishbase.org/references/FBRefSummary.php?id=247&speccode=88