Glikman, L.S. & Zhelezko, V.I. (1985)
(Paleogene sharks of the Mangyschlak Plateau and the Eocene/Oligocene boundary). «in russian». Byull. Mosk. Obshvhest. Ispyt. Prir., Otd. Geol., 60(5): 86–99, 2 fig., 1 pl.
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