E.  Thurston, ?Rámésvaram Island and fauna of the Gulf of Manaar?, Madras Government Museum, Bulletin, vol. 3, pp. 79-138, 1895.

W. Healey Dall, ?Contributions to the Tirtiary Fauna of Florida, with special reference to the Miocene silex-beds of Tampa and the Pliocene beds of the Caloosahatchie River?, Transactions of the Wagner Free Institute of Science of Philadelphia, vol. 3, part 3: A new classification of the Pelecypoda, pp. 481-570, 1895.

W. Healey Dall, ?Contributions to the Tirtiary Fauna of Florida, with special reference to the Miocene silex-beds of Tampa and the Pliocene beds of the Caloosahatchie River?, Transactions of the Wagner Free Institute of Science of Philadelphia, vol. 3, part 3:, pp. 481-570, 1895.

E.  Thurston, ?Rámésvaram Island and fauna of the Gulf of Manaar?, Madras Government Museum, Bulletin, vol. 3, pp. 79-138, 1895.