Pfeiffer, L. (1853). Description of fifty-four new species of Helicea, from the collection of Hugh Cuming, Esq. Proceedings of the Zoological Society of London. 19: 252-256 [16 July 1853]; 257-263 [7 December 1853] [stated publication date: 1851].
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Pfeiffer, L.
1853
Description of fifty-four new species of Helicea, from the collection of Hugh Cuming, Esq.
Proceedings of the Zoological Society of London
19: 252-256 [16 July 1853]; 257-263 [7 December 1853] [stated publication date: 1851]