Sowerby, G. B. I. (1842). Descriptions of new species of shells belonging to the genus Cyclostoma, collected by Mr. H. Cuming in the Philippine Islands. Proceedings of the Zoological Society of London. 1842: 80–84. [December].
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Sowerby, G. B. I
1842
Descriptions of new species of shells belonging to the genus <i>Cyclostoma</i>, collected by Mr. H. Cuming in the Philippine Islands