Sweetman, S.C. & Underwood, C.J. (2006)
A neoselachian shark from the non-marine Wessex Formation (Wealden Group: early Cretaceous, Barremian) of the Isle of Wight, southern England. Palaeontology, 49(2), 457–465
DOI: 10.1111/j.1475-4983.2006.00549.x