Zhelezko, V.I. & Kozlov, V.A. (1999)
Elasmobranhii i biostratigraphia paleogena Zauralia i Srednei Asii. (Elasmobranchii and Palaeogene biostratigraphy of Transural and Central Asia). Materialy po Stratigrafii i Paleontologii Urala, 3, 324 pp, Ekaterinburg, UrO RAN

Rayner, D. & Mitchell, T. & Rayner, M. (2009)
London Clay Fossils of Kent and Essex. Rochester, Kent, Medway Fossil and Mineral Society, 228 p, ISBN: 978–0–9538243–1–1

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