J.  Morris and Lycett, J., A monograph of the Mollusca from the Great Oolite, chiefly from Minchinhampton and the coast of Yorkshire. Part 2. Bivalves. London: Palæontographical Society, 1853.

J.  Morris and Lycett, J., A monograph of the Mollusca from the Great Oolite, chiefly from Minchinhampton and the coast of Yorkshire. Part 2. Bivalves. London: Palæontographical Society, 1853.