Stromer, E. (1910)
Reptilien und Fischreste aus dem marinen Alttertiär von Südtogo (Westafrika). Monatsbericht der deutschen geologischen Gesellschaft, 62(7), 478–505

White, E.I. (1934)
Fossil fishes of Sokoto province. Bulletin of the Geological Survey of Nigeria, 14, 1–78

Umbgrove, J.H.F. (1956)
Ons land 70 millioen jaar geleden. Martinus Nijhoff, 's-Gravenhage. 150 pp.

Claeson, K.M. & O'Leary, M.A. & Roberts, E.M. & Sissoko, F. & Bouaré, M. & Tapanila, L. & Goodwin, D. & Gottfried, M.D. (2010)
First Mesozoic Record of the Stingray Myliobatis wurnoensis from Mali and a Phylogenetic Analysis of Myliobatidae Incorporating Dental Characters. Acta Palaeontologica Polonica, 55(4), 655–674
DOI: 10.4202/app.2009.1117

Guinot, G. & Condamine, F.L. (2023)
Global impact and selectivity of the Cretaceous-Paleogene mass extinction among sharks, skates, and rays. Science, 379, 802–806
DOI: 10.1126/science.abn2080