Truncatellidae

Quality 0.50 · 2 views · Updated 2 months ago

Family of gastropods

title: "Truncatellidae" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["truncatellidae"] description: "Family of gastropods" topic_path: "general/truncatellidae" source: "https://en.wikipedia.org/wiki/Truncatellidae" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Family of gastropods ::

| image = Truncatella subcylindrica DSCN3140.JPG | image_caption = Two live individuals of Truncatella subcylindrica: a juvenile on the left, and an adult on the right | status = | taxon = Truncatellidae | authority = Gray, 1840 | synonyms = }}

Truncatellidae, common name the "looping snails", is a family of small amphibious snails, with gills and an operculum, semi-marine gastropod mollusks or micromollusks.

Shell description

::figure[src="https://upload.wikimedia.org/wikipedia/commons/1/10/BWalker-TBilabiata.jpg" caption="Drawing of a shell of ''[[Truncatella bilabiata]]''"] ::

This family of snails have small shells which lose their apical whorls as they continue to grow, giving the shells a truncated and cylindrical appearance.

Subfamilies

The family Truncatellidae consists of two subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):

  • subfamily Truncatellinae Gray, 1840
  • subfamily Geomelaniinae Kobelt & Möllendorff, 1897

Genera

Genera within the family Truncatellidae include:

Truncatellinae

Geomelaniinae

  • Geomelania L. Pfeiffer, 1845 - type genus of the subfamily Geomelaniinae

subfamily ?

Habitat

Snails in this family are found in marine coastal environments, near or just above the high tide line on stones and pebbles, fine sediments and decomposing vegetation.

Life cycle

The sexes are separate. Fertilized eggs are laid as egg capsules, which are attached to detritus.

References

References

  1. Gray (1840). ''Synopsis of the contents of the British Museum'' ed. 42: 117, 148.
  2. {{Bouchet 2005
  3. Kobelt & Möllendorff (1897). ''[[Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft]]'' '''29'''(5-6): 74.
  4. [http://www.ecosis.cu/cenbio/biodiversidadcuba/fauna/mollusca.htm "Mollusca"] {{Webarchive. link. (2012-06-26 . Diversidad Biológica Cubana, accessed 23 March 2011.)

::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::

truncatellidae