Geotrochus is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Trochomorphidae.MolluscaBase eds. (2020). MolluscaBase. Geotrochus van Hasselt, 1823. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=869645 on 2020-12-20

General characteristics The shell has a trochiform shape and is an imperforate structure. The whorls are flattened. The upper surface is covered with numerous raised spiral lirae. Conversely, the lower surface is shining and is finely striated transversely. Finally, the margins of the aperture are acute, and they are not reflexed.

Species Species within the genus Geotrochus include: Geotrochus affinis (E. A. Smith, 1894) Geotrochus bicolor (Martens, 1864) Geotrochus conicoides (Metcalfe, 1851) Geotrochus conus (L. Pfeiffer, 1841) Geotrochus kinabaluensis (E. A. Smith, 1895) Geotrochus kitteli Vermeulen, Liew & Schilthuizen, 2015 Geotrochus labuanensis (L. Pfeiffer, 1864) Geotrochus meristotrochus Vermeulen, Liew & Schilthuizen, 2015 Geotrochus multicarinatus (Boettger, 1890) Geotrochus niahensis (Godwin-Austen, 1891) Geotrochus oedobasis Vermeulen, Liew & Schilthuizen, 2015 Geotrochus paraguensis (E. A. Smith, 1893) Geotrochus rimatus Vermeulen, 1997 Geotrochus scolops Vermeulen, Liew & Schilthuizen, 2015 Geotrochus spilokeiria Vermeulen, Liew & Schilthuizen, 2015 Geotrochus subscalaris Vermeulen, Liew & Schilthuizen, 2015 Geotrochus subtricolor (Mabille, 1887) Geotrochus sylvanus (Dohrn & C. Semper, 1862) Geotrochus verticillatus van Benthem Jutting, 1959 Geotrochus whiteheadi (E. A. Smith, 1895) † Geotrochus xinanensis Yü & Zhang, 1982

References

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. Algemeene Konst- en Letter-bode voor het Jaar II Deel. (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 Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16, 2017.

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