Gray, J. E. (1851). List of the Specimens of British Animals in the Collection of the British Museum. Part VII, Molluscas Acephala and Brachiopoda. London, Taylor, 167 pp.
<i>List of the Specimens of British Animals in the Collection of the British Museum. Part VII, Molluscas Acephala and Brachiopoda</i>. London, Taylor, 167 pp.