Carvalho, M.R.d.; Loboda, T.S.; Silva, J.P.C.B.d. (2016). «A new subfamily, Styracurinae, and new genus, Styracura, for Himantura schmardae (Werner, 1904) and Himantura pacifica (Beebe & Tee-Van, 1941) (Chondrichthyes: Myliobatiformes)». Zootaxa4075 (3): 201-221. PMID27811760. doi:10.11646/zootaxa.4175.3.1.
Lovejoy, N.R. (1996). «Systematics of myliobatoid elasmobranchs: with emphasis on the phylogeny and historical biogeography of neotropical freshwater stingrays (Potamotrygonidae: Rajiformes)». Zoological Journal of the Linnean Society117 (3): 207-257. doi:10.1111/j.1096-3642.1996.tb02189.x.
Last, P.R.; Naylor, G.J.; Manjaji-Matsumoto, B.M. (2016). «A revised classification of the family Dasyatidae (Chondrichthyes: Myliobatiformes) based on new morphological and molecular insights». Zootaxa4139 (3): 345-368. PMID27470808. doi:10.11646/zootaxa.4139.3.2.
Carvalho, M.R.d.; Loboda, T.S.; Silva, J.P.C.B.d. (2016). «A new subfamily, Styracurinae, and new genus, Styracura, for Himantura schmardae (Werner, 1904) and Himantura pacifica (Beebe & Tee-Van, 1941) (Chondrichthyes: Myliobatiformes)». Zootaxa4075 (3): 201-221. PMID27811760. doi:10.11646/zootaxa.4175.3.1.
Last, P.R.; Naylor, G.J.; Manjaji-Matsumoto, B.M. (2016). «A revised classification of the family Dasyatidae (Chondrichthyes: Myliobatiformes) based on new morphological and molecular insights». Zootaxa4139 (3): 345-368. PMID27470808. doi:10.11646/zootaxa.4139.3.2.