Last, P. R., M. Manjaji-Matsumoto, and P. J. Kailola. “Himantura Hortlei n. Sp., a New Species of Whipray (Myliobatiformes: Dasyatidae) from Irian Jaya, Indonesia”. Zootaxa, vol. 1239, no. 1, June 2006, pp. 19–34, doi:10.11646/zootaxa.1239.1.2.