Species Account

Pinctada imbricata Roding, 1798

Pterioidea : Pteriidae

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

Additional Information & Related Species

Related Species


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

Cunha R.L., Blanc F., Bonhomme F. & Arnaud-Haond S. 2011. Evolutionary patterns in pearl oysters of the genus Pinctada (Bivalvia: Pteriidae). Marine Biotechnology. 13(2): 181-192.
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.


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Record last modified: 03/03/2022