Mackie, S.J. (1863)
On a new species of Hybodus from the lower chalk. Geologist, 6, 332–347

Woodward, A.S. (1886)
On the relationships of the mandibular and hyoid arches in a Cretaceous shark (Hybodus dubrisiensis, Mackie). Proceedings of the Zoological Society of London, 1886, 218–224