Species Account

Hyalopecten pudicus (E A Smith, 1885)

Pectinoidea : Pectinidae

Tebble name: n/a
Smith & Heppell name: Hyalopecten biscayensis (Locard, 1886)

To size: To 30mm. Shell Structure: Thin, opaque. Equivalve: Inequivalve, LV a little more convex than RV. Equilateral: Inequilateral, beaks slightly behind midline. Outline: Oblique-suboval, expanded anteriorly; anterior more rounded than posterior. Anterior ears slightly longer than posterior, both rather narrow. Contour: RV anterior ear with a distinct byssal notch and weak ctenolium.

Sculpture: Both valves with co-marginal plications and dense, fine, but distinct radial grooving. RV anterior ear with a few scaly riblets. Colour: Grayish white.

Distribution & Ecology

Free or byssally attached to stones and dead shells. At bathyal and abyssal depths. NE Atlantic south of the Scotland - Greenland Ridge.

Depth Range
Bathyal (500 - 2000m)
Abyssal Rise (2000 - 4000m)
Abyssal Plain (4000m +)

Additional Information & Related Species


Listed are literature citing Hyalopecten pudicus (E A Smith, 1885). Reference containing the species Type Description is highlighted.

Dijkstra HH & Gofas S 2004. Pectinoidea (Bivalvia: Propeamussidae and Pectinidae) from some northeastern Atlantic seamounts. Sarsia. 89 (1): 33-78.
Dijkstra HH & Goud J 2002. Pectinoidea (Bivalvia, Propeamussiidae & Pectinidae) collected during the Dutch CANCAP and MAURITANIA expeditions in the south-eastern region of the North Atlantic Ocean. Basteria. 66: 31-82.
Olabarria C. 2005. Patterns of bathymetric zonation of bivalves in the Porcupine Sea Bight and adjacent abyssal plain, NE Atlantic. Deep-Sea Research I. 52: 15-31.
Smith E A 1885. Report on the Lamellibranchiata collected by HMS Challenger during the years 1873-1876. Reports of the scientific results of the voyage of HMS “Challenger”, Zoology. 13 (35): 1-341, 25pls.


  • 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: 22/03/2016