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On the necessity for a revision of the groups included in the Linnean genus Squalus. Proceedings of the Zoological Society of London, 5, 85–86

Rao, D.V. & Devi, K. & Rajan, P.T. (2000)
An account of Ichthyofauna of Andaman and Nicobar Islands, Bay of Bengal. Zoological Survey of India, Occasional Paper 178: 434 pp.