NORMAN, J.R. (1939)
Fishes. The John Murray Expedition 1933-34. Scientific Reports, John Murray Expedition, 7 (1): 1–116
NAIR, R.V. & LAL MOHAN, R.S. (1973)
On a new deep sea skate, Rhinobatos variegatus, with notes on the deep sea sharks Halaelurus bispidus, Eridacnis radcliffei and Eugaleus omanensis from the Gulf of Mannar. Senckenbergiana Biologica, 54 (1/3): 71–80, 4 fig.