GURR, P.R. (1962)
A new fishfauna from the Woolwich Bottom Beds (Sparnacian) of Herne Bay, Kent. Proceedings of the Geologists' Association, 73 (4): 419–447, fig. 1–9, pl. 17–26.
DOI: 10.1016/S0016-7878(62)80032-7