Species Account

Pinctada imbricata Roding, 1798

Pterioidea : Pteriidae

Non-native
Tebble name: n/a
Smith & Heppell name: n/a

To size: To 60mm. Shell Structure: Thin valves, fragile margins. Equivalve: Inequivalve. Equilateral: Inequilateral. Tumidity: Compressed. Outline: Circular to quadrangular. Contour: Posterior margin slightly extended.

Sculpture: Scaly often with radial rows of fragile flattened scales. Margin: Smooth, irregular. Ligament: External, sunken one third the length of dorsal margin. Hinge: Edentulous. Pallial Musculature: One central adductor scar. Periostracum: Thin, flaky. Colour: White, turning to purple at the posterior, anterior and ventral margins. The radial scales leave white radial scars behind. Internal sometimes tinged with green.

Distribution & Ecology

North Carolina, West Indies, Brazil and Bermuda.
3 specimens attached to plastic spool on Chesil Beach, Dorset. 1 shell in a bait pot, Loher Beach, Waterville, Co Kerry.

Depth Range
Intertidal

Additional Information & Related Species

Related Species

References

Listed are literature citing Pinctada imbricata Roding, 1798. Reference containing the species Type Description is highlighted.

Holmes A.M., Oliver P.G., Trewhella S, Hill R. & Quigley D.T.G. 2015. Trans-Atlantic rafting of inshore mollusca on macro-litter. American molluscs on British and Irish shores, new records.. Journal of Conchology . 42 (1): 41-49.
Roding 1798. Museum Boltenianum sive Catalogus cimeliorum e tribus regnis naturae quae olim collegerat Joa. Fried. Bolten M. D. p. d. Pars secunda continens Conchylia sive Testacea univalvia, bivalvia et multivalvia. 199.

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: 17/05/2016