J. C.  Melvill and Standen, R., ?Mollusca from the Persian Gulf, Gulf of Oman, and Arabian Sea, as evidenced mainly through the collections of Mr. F. W. Townsend, 1893-1906; with descriptions of new species?,  Zoological Societey of London, Transactions for 1906, pp. 783-848, 1906.

J. C.  Melvill and Standen, R., ?Mollusca from the Persian Gulf, Gulf of Oman, and Arabian Sea, as evidenced mainly through the collections of Mr. F. W. Townsend, 1893-1906; with descriptions of new species?,  Zoological Societey of London, Transactions for 1906, pp. 783-848, 1906.