Attributes / relations provided by
♦ 1Riede, Klaus (2004) Global Register of Migratory Species - from Global to Regional Scales. Final Report of the R&D-Projekt 808 05 081. 330 pages + CD-ROM
♦ 2Baillie, J.E.M. & Butcher, E. R. (2012)
Priceless or Worthless? The world’s most threatened species. Zoological Society of London, United Kingdom.
♦ 3Pollerspöck, J. & Straube, N. (2015),
Bibliography database of living/fossil sharks, rays and chimaeras
(Chondrichthyes: Elasmobranchii, Holocephali) -Host-Parasites List/Parasite-Hosts List-, World Wide Web electronic publication, Version 04/2015;
♦ 4Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005).
Host-Parasite Database of the Natural History Museum, London