Species Account

Aequipecten heliacus Dall, 1925

Pectinoidea : Pectinidae

Tebble name: n/a
Smith & Heppell name: n/a

To size: To 20mm. Shell Structure: Solid. Equivalve: Equivalve. Equilateral: Equilateral. Outline: Subcircular, anterior ear larger than posterior. Contour: Deep byssal notch with cteniolum of 4 teeth.

Sculpture: 20 acute radial ribs, each bounded by a row of fine spines and finer prockly threads in the interspaces. Margin: Crenulate. Colour: Shades of orange and brown, the left valve darker than the right.

Distribution & Ecology

From South Carolina, Florida, Bahamas and into the Caribbean.

Two specimens inside a bait pot found on Chesil Beach, Dorset

Depth Range

Additional Information & Related Species


Listed are literature citing Aequipecten heliacus Dall, 1925. Reference containing the species Type Description is highlighted.

Dall W.H. 1925. Notes on the nomenclature of some of our East American species of PEcten with descriptions of new species. Nautilus. 38: 112-120.
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.


  • Conchological Society of Great Britain & Ireland
    Provides resources for understanding, identifying, recording, and conserving molluscs
    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.

Image Gallery

Record last modified: 17/05/2016