MolluscaBase name details
original description
(of Cyclostoma tenuilabiatum Metcalfe, 1852) Metcalfe, W. (1852). An enumeration of species of Recent shells, received by W. J. Hamilton, Esq., from Borneo, in November 1850, with descriptions of the new species. <em>Proceedings of the Zoological Society of London.</em> 19 (1851): 70-74., available online at https://biodiversitylibrary.org/page/30680308
page(s): 71-72; note: Metcalfe (1852: 72) states that the taxon belongs to "the genus Pterocylos of Benson" [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): 170 [details]
additional source
Martens, E. von. (1873). Ueber Landschnecken aus Celebes. <em>Malakozoologische Blätter.</em> 20: 155-177, pl. 5., available online at https://www.biodiversitylibrary.org/page/15648293
page(s): 156-158 [details]