Pfeiffer, L. (1842). Descriptions of new species of shells belonging to the genera Helix and Bulimus, collected by H. Cuming, Esq, in the Philippine Islands. Proceedings of the zoological Society of London. 10 (113): 84–89. London [31 December].
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Pfeiffer, L.
1842
Descriptions of new species of shells belonging to the genera <i>Helix</i> and <i>Bulimus</i>, collected by H. Cuming, Esq, in the Philippine Islands