MolluscaBase taxon details
original description
(of Cyclostoma (Cyclophorus) spironema L. Pfeiffer, 1855) Pfeiffer, L. (1855). Descriptions of eleven new species of Cyclostomacea, from the collection of H. Cuming, Esq. <em>Proceedings of the zoological Society of London.</em> 22 (267) [“1854”]: 126–128; 22 (268) [“1854”]: 129. London [7 April] & [11 April].
page(s): 127 [details]