MacDonald, J.D. & Barron, C. (1868)
On a supposed new species of Galeocerdo from southern seas. Proceedings of the Zoological Society of London, 1868, 368–371

MacDonald, J.D. & Barron, C. (1868)
Notes on Heptranchus indicus, chiefly as regards sexual characters. Proceedings of the Zoological Society of London, 1868, 371–373