White, P.J. (1895)
The Skull and Visceral Skeleton of the Greenland Shark, Laemargus microcephalus. Transactions of the Royal Society of Edinburgh, 37(2), 287–306
DOI: 10.1017/S0080456800032622
Jenkins, J.T. (1923)
Fishes of the British Isles. London, Frederick Warne