Hine, P.M. & Wain, J.M. (1987)
The enzyme cytochemistry and composition of elasmobranch granulocytes.
Journal of Fish Biology, 30(4), 465–475 DOI: 10.1111/j.1095-8649.1987.tb05770.x
Mould, B. (1997)
Classification of the recent Elasmobranchii.
Copyright Brian Mould 1997