original description(ofCyclostoma alatum L. Pfeiffer, 1853)Pfeiffer, L. (1853). Description of forty-three new species of Cyclostomacea, from the collection of H. Cuming, Esq. <em>Proceedings of the Zoological Society of London.</em> 19 (234) [“1851”]: 242–251. London [26 July]., available online athttps://biodiversitylibrary.org/page/30680508 page(s): 250 [details]