Srdic, A. & Duffin, C.J. & Martill, D.M. (2016)
First occurrence of the orectolobiform shark Akaimia in the Oxford Clay Formation (Jurassic, Callovian) of England.
Proceedings of the Geologists' Association, 127, 506–513 DOI: 10.1016/j.pgeola.2016.07.002