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M010639

Torbay, Devon, UK
M010636


M010637


M010638


M010640


M010641


M010642


M010643
Acanthocardia aculeata (Linnaeus, 1758)
''
NMW Image No.

Acanthocardia aculeata (Linnaeus, 1758)

Cardioidea : Cardiidae
Tebble name: Acanthocardia aculeata (Linnaeus)
Smith & Heppell name: Acanthocardia aculeata (L., 1758)

To size: To 100mm. Shell Structure: Thin but not fragile. Equivalve: Equivalve. Equilateral: Slightly inequilateral, beaks just infront of midline. Tumidity: Inflated. Outline: Broadly oval becoming subquadrate-oblique with a long almost straight posterior margin contrasting with more narrowly rounded anterior. Contour: Umbonate, posterior angle weak.

Sculpture: 20-22 strong radial ribs, each carrying a row of narrow spines arising from the midline of the rib. On the posterior angle and posterior area the spines are long and resemble thorns. In the largest shells the spines on the anterior and middle area become more broad with the upper faces excavated and the tips bending to the posterior. The concentric sculpture is weak and shell other than spines appears rather smooth. Margin: Deeply crenulated, interlocking ends of ribs and interspaces. Ligament: External, a prominent raised band set on a prominent nymph. Hinge: RV with 2 cardinals the posterior slightly the larger; 2 anterior and 1 posterior laterals: LV with 2 cardinals and single anterior and posterior laterals. Pallial Musculature: Pallial line entire. Periostracum: Thin. Colour: White, straw to pale olive-brown.



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Distribution & Ecology


A southern species ranging into British waters only in the western English Channel.

NBN records outside of this area are likely to be erroneous

Depth Range
Continental Shelf (to 200m)


Juveniles & Similar Species

Juvenile Description

Key Features & Similar Species

Additional Comments

Cardioidea : Cardiidae

References


Listed are literature citing Acanthocardia aculeata (Linnaeus, 1758). Reference containing the species Type Description is highlighted.
Linnaeus C 1758. Systema Naturae. Editio decima. 1. Regnum Animale Holmiae, Laurentii Salvii. 824pp.

Resources


Downloads

Weblinks

  • 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.

Record last modified - 24/01/2014