MolluscaBase name details
original description
(of Cyclostoma semisulcatum G. B. Sowerby I, 1843) Sowerby, G. B. I. (1843). Monograph of the genus <i>Cyclostoma</i>. In G. B. Sowerby II (ed.), <i>Thesaurus conchyliorum, or monographs of genera of shells</i>. Vol. 1 (3): 89-156, pl. 23-31. London, privately published. [23 June]. , available online at https://biodiversitylibrary.org/page/11076319
page(s): 124, pl. 25, fig. 99.. [details]
basis of record
Kobelt W. (1902). Das Tierreich. Eine Zusammenstellung und Kennzeichnung der rezenten Tierformen. 16. Lieferung. Mollusca. Cyclophoridae. <em>Das Tierreich.</em> XXXIX + 662 pp., 1 map. [July]. Berlin (R. Friedländer)., available online at https://biodiversitylibrary.org/page/1000211
page(s): 103 [details]