Pachychilus

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Genus of gastropods

title: "Pachychilus" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["pachychilus", "taxa-named-by-isaac-lea", "gastropod-genera"] description: "Genus of gastropods" topic_path: "general/pachychilus" source: "https://en.wikipedia.org/wiki/Pachychilus" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Genus of gastropods ::

|image = Pachychilus laevisimus 004.JPG |image_caption = Two shells of Pachychilus laevissimus |taxon = Pachychilus |authority = I. Lea & H. C. Lea, 1851 |type_species= Melania laevissima G. B. Sowerby I, 1824 |synonyms =

  • Cercimelania P. Fischer & Crosse, 1892 (invalid: unnecessary replacement name for Pachychilus)
  • Melania (Pachychilus) I. Lea & H. C. Lea, 1851
  • Oxymelania Crosse & P. Fischer, 1892
  • Pachycheilus H. Adams & A. Adams, 1854 (invalid: unjustified emendation of Pachychilus)
  • Pachychilus (Glyptomelania) Crosse & P. Fischer, 1892· accepted, alternate representation
  • Pachychilus (Oxymelania) Crosse & P. Fischer, 1892· accepted, alternate representation
  • Pachychilus (Pachychilus) I. Lea & H. C. Lea, 1851· accepted, alternate representation
  • Pachychilus (Pilsbrychilus) J. P. E. Morrison, 1951 (junior synonym of Pachychilus)
  • Pachychilus (Potamanax) Pilsbry, 1893· accepted, alternate representation
  • Sphaeromelania Rovereto, 1899 (invalid: unnecessary replacement name for Pachychilus) |display_parents= 3

Pachychilus, common name the jute snails, is a genus of freshwater snails with an operculum, aquatic gastropod mollusk in the family Pachychilidae.

Pachychilus is the type genus of the family Pachychilidae.

Distribution

The distribution of species in the genus Pachychilus includes:

Species

Species within the genus Pachychilus include:

Human use

One of the Maya peoples, the Lacandon people, now Mexico's native peoples from state Chiapas, use Pachychilus indiorum, known locally as "t’unu", as a type of protein supplement to their diet when animal protein is unavailable. In addition, the shells from this "chuti" snail have great nutritional value, as they provide calcium and slaked lime when burnt. They are often preferred as a lime source over local limestone or other freshwater snail species for their purity as an alkali. The slaked lime is added to maize during the process of making maize dough for tortillas, pozole, and other foods. Slaked lime allows the release of amino acids such as tryptophan and lysine and the vitamin niacin, which would otherwise be unavailable from the maize (unable to be metabolized) if the lime were not added.

References

References

  1. Lea I. & Lea H. C. (1851). "Description of a new genus of the family Melaniana, and of many new species of the genus ''Melania'', chiefly collected by [[Hugh Cuming]], Esq., during his zoological voyage in the East, and now first described". ''[[Proceedings of the Zoological Society of London]]'' '''18''': 179-197. [https://archive.org/stream/lietuvostsrmoksl50liet#page/n239/mode/2up 179].
  2. Healy P. F., Emery K. & Wright L. E. (1990). "Ancient and Modern Maya Exploitation of the Jute Snail (''Pachychilus'')". ''[[Latin American Antiquity]]'' '''1'''(2): 170-183. [https://www.jstor.org/stable/971986 JSTOR].
  3. {{Bouchet 2005
  4. Vázquez A. A. & Perera S. (2010). "Endemic Freshwater molluscs of Cuba and their conservation status". ''[[Tropical Conservation Science]]'' '''3'''(2): 190-199. [http://tropicalconservationscience.mongabay.com/content/v3/10-06-28_190-199_Perera&Valderrama.html HTM], [http://tropicalconservationscience.mongabay.com/content/v3/10-06-28_190-199_Perera&Valderrama.pdf PDF].
  5. Wenz (1939). ''Handb. Paläozool.'' (4)'''6'''(1): 686.
  6. Perrilliat M. D. C., Vega F. J., Espinosa B. & Naranjo-Garcia E. (2008). "Late Cretaceous and Paleogene Freshwater Gastropods from Northeastern Mexico". ''[[Journal of Paleontology]]'' '''82'''(2): 255-266. {{doi. 10.1666/06-062.1.
  7. Nations J. D. (1979). ''Snail Shells and Maize Preparation: A Lacandon Maya Analogy''. [[American Antiquity]] 44.3: 568-571.

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pachychilustaxa-named-by-isaac-leagastropod-genera