Species Account

Donax (Capsella) variegata (Gmelin, 1791)

Tellinoidea : Donacidae

Tebble name: Donax variegatus (Gmelin)
Smith & Heppell name: Donax variegatus (Gmelin, 1791)

To size: To 39mm. Shell Structure: Thin, solid. Equivalve: Equivalve. Equilateral: Inequilateral, beaks behind midline. Tumidity: Not tumid. Outline: Narrowly ovate/ elongate, wedge-shaped, posterior region half the length of the anterior region. Posterior margin more narrowly rounded than anterior.

Sculpture: Concentric growth lines and fine lines. Margin: Finely serrated but smooth to the touch. Ligament: Small, but prominent dark brown arched band. Hinge: Two cardinals in each valve. In LV anterior bifid, posterior weak. In RV posterior bifid anterior short. In RV two posterior and one anterior lateral, in LV one anterior and one posterior lateral; both rather weak. Pallial Musculature: Pallial sinus deep extends just past the midline. It is confluent with the pallial line for some of its length. Cruciform muscle scars not visible. Periostracum: Thin, satin. Colour: White/pale yellow/olive green sometimes with pale cream splotches and one radial ray of cream/orange/reddish-brown.

Distribution & Ecology

Many old records from localities across the SW of England and SW Ireland but records of living individuals over the last 50 years are very few. In wave action sands (surf zone).

Depth Range
Intertidal
Continental Shelf (to 200m)

Additional Information & Related Species

Related Species

Tellinoidea : Donacidae

References

Listed are literature citing Donax (Capsella) variegata (Gmelin, 1791). Reference containing the species Type Description is highlighted.

Gmelin J F 1791. Carli Linnaei systema Naturae per regna tria naturae. Editio decimatertia, aucta, reformata, Vermes Testacea 1 (6). Lipsiae. 3021-3910.
Salas-Casanova C. 1987. The Donacidae of the Bay of Malaga (Spain). Taxonomy. Basteria. 51: 33-50.

Resources

  • Conchological Society of Great Britain & Ireland
    Provides resources for understanding, identifying, recording, and conserving molluscs
  • CLEMAM
    Check List of European Marine Mollusca
  • MarLIN
    The Marine Life Information Network for Britain and Ireland (MarLIN) provides information for marine environmental management, protection and education. It is a centre of excellence in spatially based and time-series marine biological information and supports good stewardship in the marine environment.
  • NBN Gateway
    National Biodiversity Network's Gateway. Use it to explore UK biodiversity data, as contributed by participating data providers.
  • BivAToL
  • MarBEF
  • Malacological Society
  • Unitas Malacologica
  • Census of Marine Life
  • MarBEF
    MarBEF, a network of excellence funded by the European Union and consisting of 94 European marine institutes, is a platform to integrate and disseminate knowledge and expertise on marine biodiversity, with links to researchers, industry, stakeholders and the general public.

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Record last modified: 22/03/2016