White, E.I. (1927)
Fossil sharks' teeth from the Zanzibar Protectorate. in: Morley Davies, A. et al. Report on the palaeontology of the Zanzibar Protectorate, based mainly on the collection made by G.M. Stockley, A.R.C.S., D.I.C., F.G.S., Government Geologist, 1925-26. pp. 121-123, plate XIX