Antonenko, D.V. & Balanov, A.A. & Matveichuk, S.P. & Blishak, N.M. (2015)
Record of rare for waters of Russia pelagic stingray Pteroplatytrygon violacea (Dasyatidae) in the South Kuril region.
Journal of Ichthyology, 55(6), 911–913 DOI: 10.1134/S0032945215050021