(ofClausilia sowerbyana L. Pfeiffer, 1850)Pfeiffer, L. (1850). Descriptions of thirty new species of <i>Tornatellina</i>, <i>Cylindrella</i>, and <i>Clausilia</i>, from the collection of H. Cuming, Esq. <em>Proceedings of the zoological Society of London.</em> 17 (198) [“1849”]: 134-141. London [30 June]., available online athttps://www.biodiversitylibrary.org/page/30572569 page(s): 141 [details]
original description(ofClausilia sowerbyana L. Pfeiffer, 1850)Pfeiffer, L. (1850). Descriptions of thirty new species of <i>Tornatellina</i>, <i>Cylindrella</i>, and <i>Clausilia</i>, from the collection of H. Cuming, Esq. <em>Proceedings of the zoological Society of London.</em> 17 (198) [“1849”]: 134-141. London [30 June]., available online athttps://www.biodiversitylibrary.org/page/30572569 page(s): 141 [details]
Present Inaccurate Introduced: alien Containing type locality