Ebert, D.A. & Mccormack, C. & Freitas, M. & Biscoito, M. & Francis, M.P. & Tanaka, Sho & Ishihara, H. & Holtzhausen, H.A. & Stewart, A. (2009)
Deania hystricosa IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org
Holtzhausen, H.A. & Smale, M.J. (2009)
Narke capensis IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org
Notarbartolo Di Sciara, G. & Serena, F. & Ungaro, N. & Ferretti, F. & Holtzhausen, H.A. & Smale, M.J. (2009)
Torpedo nobiliana IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org
White, W.T. & Kyne, P.M. & Holtzhausen, H.A. (2006)
Plesiobatis daviesi IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org
Burgess, G.H. & Holtzhausen, H.A. & Smale, M.J. (2006)
Rhinobatos annulatus IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org