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Information on the biology of species and the ecology of habitats found around the coasts and seas of the British Isles

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Common wentletrap (Epitonium clathrus)

Distribution data supplied by the Ocean Biodiversity Information System (OBIS). To interrogate UK data visit the NBN Atlas.Map Help

Summary

Description

A tall, narrow shell, up to 4 cm in height. Up to 15 swollen whorls with pronounced longitudinal ridges, but usually less since apical ones are lost. The aperture is rounded with a black operculum. Shell off-white to pale brown in colour, ridges lighter. Often 2 narrow spiral bands of brown on shell and sometimes a third on the last whorl. Flesh white with purple-black markings.

Recorded distribution in Britain and Ireland

Present on south and west coasts of Britain.

Global distribution

Widely distributed in Europe, from Norway to the Black Sea.

Habitat

Found on sandy and muddy sediments, Epitonium clathrus is a sublittoral species which migrates onto the lower shore during the spring and summer to spawn.

Depth range

-

Identifying features

  • A very distinctive shell with up to 15 loosely wound whorls linked by thickened, flat-sided, projecting ribs.
  • Aperture with thin, flared lip, closed by a black operculum.
  • Last whorl occupies about a third of shell height.

Additional information

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Listed by

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Further information sources

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Bibliography

  1. Fish, J.D. & Fish, S., 1996. A student's guide to the seashore. Cambridge: Cambridge University Press.

  2. Graham, A., 1971. British Prosobranchs. London: Academic Press.[Synopses of the British Fauna, no. 2.]

  3. Graham, A., 1988. Molluscs: prosobranchs and pyramellid gastropods (2nd ed.). Leiden: E.J. Brill/Dr W. Backhuys. [Synopses of the British Fauna No. 2]

  4. Hayward, P., Nelson-Smith, T. & Shields, C. 1996. Collins pocket guide. Sea shore of Britain and northern Europe. London: HarperCollins.

  5. Hayward, P.J. & Ryland, J.S. (ed.) 1995b. Handbook of the marine fauna of North-West Europe. Oxford: Oxford University Press.

  6. Howson, C.M. & Picton, B.E., 1997. The species directory of the marine fauna and flora of the British Isles and surrounding seas. Belfast: Ulster Museum. [Ulster Museum publication, no. 276.]

  7. McMillan, N.F., 1968. British Shells. London: Frederick Warne & Co Ltd.

Datasets

  1. Conchological Society of Great Britain & Ireland, 2018. Mollusc (marine) data for Great Britain and Ireland - restricted access. Occurrence dataset: https://doi.org/10.15468/4bsawx accessed via GBIF.org on 2018-09-25.

  2. Conchological Society of Great Britain & Ireland, 2018. Mollusc (marine) records for Great Britain and Ireland. Occurrence dataset: https://doi.org/10.15468/aurwcz accessed via GBIF.org on 2018-09-25.

  3. Fenwick, 2018. Aphotomarine. Occurrence dataset http://www.aphotomarine.com/index.html Accessed via NBNAtlas.org on 2018-10-01

  4. Kent Wildlife Trust, 2018. Kent Wildlife Trust Shoresearch Intertidal Survey 2004 onwards. Occurrence dataset: https://www.kentwildlifetrust.org.uk/ accessed via NBNAtlas.org on 2018-10-01.

  5. Merseyside BioBank., 2018. Merseyside BioBank (unverified). Occurrence dataset: https://doi.org/10.15468/iou2ld accessed via GBIF.org on 2018-10-01.

  6. Merseyside BioBank., 2018. Merseyside BioBank Active Naturalists (unverified). Occurrence dataset: https://doi.org/10.15468/smzyqf accessed via GBIF.org on 2018-10-01.

  7. National Trust, 2017. National Trust Species Records. Occurrence dataset: https://doi.org/10.15468/opc6g1 accessed via GBIF.org on 2018-10-01.

  8. NBN (National Biodiversity Network) Atlas. Available from: https://www.nbnatlas.org.

  9. OBIS (Ocean Biodiversity Information System),  2023. Global map of species distribution using gridded data. Available from: Ocean Biogeographic Information System. www.iobis.org. Accessed: 2023-03-23

  10. South East Wales Biodiversity Records Centre, 2018. SEWBReC Molluscs (South East Wales). Occurrence dataset: https://doi.org/10.15468/jos5ga accessed via GBIF.org on 2018-10-02.

Citation

This review can be cited as:

Skewes, M. 2005. Epitonium clathrus Common wentletrap. In Tyler-Walters H. and Hiscock K. Marine Life Information Network: Biology and Sensitivity Key Information Reviews, [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 23-03-2023]. Available from: https://www.marlin.ac.uk/species/detail/1652

Last Updated: 17/10/2005