Woodward, A.S. (1888)
On some remains of Squatina cranei, sp. nov., and the mandible of Belonostomus cinctus from the chalk of Sussex, preserved in the collection of Henry Willet. Quarterly Journal of the Geological Society of London, 44, 144–148
DOI: 10.1144/GSL.JGS.1888.044.01-04.15