White, E.I. (1926)
Eocene fishes from Nigeria. Bulletin of the Geological Survey of Nigeria, 10, 1–82

White, E.I. (1955)
Notes on African Tertiary sharks. Bulletin of the Geological Survey of Nigeria, 5(3), 319–325

Andrews, S.M. & Gardiner, B.G. & Miles, R.S. & Patterson, C. (1967)
CHAPTER 26 Pisces In The Fossil Record. HARLAND, W.B. et al. (Eds.) 1967, London (Geological Society), pp: 627-683

Condamine, F.L. & Romieu, J. & Guinot, G. (2019)
Climate cooling and clade competition likely drove the decline of lamniform sharks. Proceedings of the National Academy of Sciences of the United States of America, 116(41), 20584–20590
DOI: 10.1073/pnas.1902693116