MolluscaBase name details
original description
(of Helix sultana Dillwyn, 1817) Dillwyn, L. W. (1817). A descriptive catalogue of Recent shells, arranged according to the Linnean method; with particular attention to the synonymy. John and Arthur Arch, London, Vol. 1: 1-580 pp.; Vol. 2: 581-1092 pp. + index [29 pp.]., available online at https://www.biodiversitylibrary.org/page/11670899
page(s): 2: 920 [details]
basis of record
Vernhout, J. H. (1914). The non-marine molluscs of Surinam. <em>Notes from the Leyden Museum.</em> 36: 1-46, pls. 1-2., available online at https://www.biodiversitylibrary.org/page/14021311
page(s): 17-18, 40, 42 [details]