WoRMS taxon details
original description
van Hasselt, J. C. (1823). Uittreksel uit een' brief van den Heer J. C. van Hasselt, aan den Heer C. J. Temminck, geschreven uit Tjecande, Residentie Bantam, den 28sten December 1822. <em>Algemeene Konst- en Letter-bode voor het Jaar II Deel.</em> (no. 35): 130-133. page(s): 233; note: Three originally included nominal species (obtusus, turriculatus, zonatus), none of them diagnosed separately, therefore all nomina nuda [details]
original description
(of Chiroktisma Gude, 1913) Gude, G. K. (1913). Definitions of further new genera of Zonitidae. <em>Proceedings of the Malacological Society of London.</em> 10: 389-391., available online at https://www.biodiversitylibrary.org/page/15237398 page(s): 390 [details]
additional source
Pilsbry, H. A. (1935). The status of <i>Geotrochus</i> van Hasselt. <em>The Nautilus.</em> 49(2): 67., available online at https://www.biodiversitylibrary.org/page/8527702 [details]
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