Ishihara, H. & Wang, Y. & Tanaka, Sho & Nakaya, K. & Jeong, C-H. (2009)
Raja pulchra IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org
Ishihara, H. & Wang, Y. & Ebert, D.A. & Orlov, A.M. & Jeong, C-H. (2009)
Okamejei meerdervoortii IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org