Geotrochus

Geotrochus
Shell of Geotrochus subtricolor (syntype at MNHN, Paris)
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Stylommatophora
Family: Trochomorphidae
Genus: Geotrochus
van Hasselt, 1823
Type species
Helix conus L. Pfeiffer, 1841
Synonyms
  • Chiroktisma Gude, 1913
  • Helix (Geostrochus) van Hasselt, 1823 (incorrect subsequent spelling)
  • Helix (Geotrochus) van Hasselt, 1823

Geotrochus is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Trochomorphidae.[1]

General characteristics

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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. [2]

Species

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Species within the genus Geotrochus include:

References

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  1. ^ 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
  2. ^ Gude, G.K. (1913). "Definitions of further new genera of Zonitidae". Proceedings of the Malacological Society of London. 10: 390. Public Domain This article incorporates text from this source, which is in the public domain.
  • 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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