Sowerby, G. B. III. (1916). Descriptions of seven new species of Mollusca belonging to the genera Drillia, Clavatula, Epitonium, Cantharidus, Bittium, Fissurella, and Cardium. Proceedings of the Malacological Society of London. 12 (2-3): 74–76, pl. 3.
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Sowerby, G. B. III
1916
Descriptions of seven new species of Mollusca belonging to the genera <i>Drillia, Clavatula, Epitonium, Cantharidus, Bittium, Fissurella</i>, and <i>Cardium</i>
Proceedings of the Malacological Society of London