Pfeiffer, L. (1854). Descriptions of nineteen new species of Helicea, from the collection of H. Cuming, Esq. Proceedings of the Zoological Society of London. 21(255) (“1853”): 124–128. [14 November].
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Pfeiffer, L.
1854
Descriptions of nineteen new species of Helicea, from the collection of H. Cuming, Esq.