Shelmerdine, R.L. & Cliff, G. (2006)
Sharks caught in the protective gill nets off KwaZulu-Natal, South Africa. 12. The African angel shark Squatina africana (Regan). African Journal of Marine Science, 28(3–4), 581–588
DOI: 10.2989/18142320609504208

Fraser, P.J. & Shelmerdine, R.L. (2002)
Dogfish hair cells sense hydrostatic pressure. Nature, 415(6871), 495–496
DOI: 10.1038/415495a