Distribution
Eastern Atlantic: from about 30?W to 60?N; along the continental slope of West Africa between 27?N and 14?N as well as between 9?S and 12?S, also about 22?S, off South Africa from 26?S to 31?S. Western Atlantic: between 30?N and 60?N. Eastern Indian Ocean: broken ridge (31?S, 93?E).