original description(ofHelix campanula L. Pfeiffer, 1845)Pfeiffer, L. (1845). Description of twenty-two new species of land-shells, belonging to the collection of Mr. H. Cuming. <em>Proceedings of the Zoological Society of London.</em> 13(147): 63–68. London [30 September]., available online athttps://www.biodiversitylibrary.org/page/12862559 page(s): 65 [details]
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