Sowerby, G. B. I. (1841). Descriptions of new species of the family Helicidae, collected by Mr. H. Cuming in the Philippine Islands. Proceedings of the Zoological Society of London. 1840: 87-91, 96-104, 116-118. [April 1841].
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Sowerby, G. B. I
1841
Descriptions of new species of the family Helicidae, collected by Mr. H. Cuming in the Philippine Islands