Coelho, R. & Blasdale, T. & Mancusi, C. & Serena, F. & Guallart, J. & Ungaro, N. & Litvinov, F. & Crozier, P. & Stenberg, C. (2009)
Etmopterus spinax IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org
Morey, G. & Serena, F. & Mancusi, C. & Coelho, R. & Seisay, M. & Litvinov, F. & Dulvy, N.K. (2007)
Squatina aculeata IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org
Morey, G. & Serena, F. & Mancusi, C. & Coelho, R. & Seisay, M. & Litvinov, F. & Dulvy, N.K. (2007)
Squatina oculata IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org
Denham, J. & Stevens, J.D. & Simpfendorfer, C.A. & Heupel, M.R. & Cliff, G. & Morgan, A. & Graham, R.T. & Ducrocq, M. & Dulvy, N.K. & Seisay, M. & Asber, M. & Valenti, S.V. & Litvinov, F. & Martins, P. & Lemine Ould Sidi, M. & Tous, P. & Bucal, D. (2007)
Sphyrna mokarran IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org
Notarbartolo Di Sciara, G. & Bradai, M.N. & Morey, G. & Brahim, K. & Camara, L. & Litvinov, F. & Dulvy, N.K. & Doumbouya, F. & Ducrocq, M. & Heenan, A. & Sidi, N. (2007)
Rhinobatos cemiculus IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org