Jacobsen, I. P. and Bennett, M. B. (2009) “A Taxonomic Review of the Australian Butterfly Ray Gymnura australis (Ramsay & Ogilby, 1886) and Other Members of the family Gymnuridae (Order Rajiformes) from the Indo-West Pacific”, Zootaxa. Auckland, New Zealand, 2228(1), pp. 1–28. doi: 10.11646/zootaxa.2228.1.1.