1 literature reference for Heptranchias perlo (Bonnaterre, 1788):

Author: Compagno, L.J.V.
Year: 1999
Title: Checklist of living elasmobranchs.
Source: p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. John Hopkins University Press, Maryland.