Gray, J. E. (1847). The classification of the British Mollusca, by W. E. Leach, M.D. Annals and Magazine of Natural History. (1) 20(133): 267-273. [published 1 October 1847].
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Gray, J. E.
1847
The classification of the British Mollusca, by W. E. Leach, M.D.