MolluscaBase taxon 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
Maassen, W. J. M. (2001). A preliminary checklist of the non-marine molluscs of West-Malaysia: "a Hand List". <em>De Kreukel, Extra Editie 2001.</em> 1–155.
page(s): 12 [details] Available for editors [request]
additional source
Uchida, R.; Yahya, B. E.; Ahmad, A. H.; Sapaat, A.; Tomiyama, K. (2013). Land Snail Fauna of Sabah, Borneo, Malaysia. <em>Venus (Journal of the Malacological Society of Japan).</em> 71 (1–2): 49–59. [details] Available for editors [request]