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Boyardville, Ile d’oleron, SW France
M010644

Boyardville, Ile d’oleron, SW France
M010645
Acanthocardia paucicostata (G B Sowerby II, 1841)
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NMW Image No.

Acanthocardia paucicostata (G B Sowerby II, 1841)

Cardioidea : Cardiidae
Tebble name: n/a
Smith & Heppell name: Acanthocardia paucicostata (G B Sowerby II, 1834)

To size: To 50mm. Shell Structure: Thin but not fragile. Equivalve: Equivalve. Equilateral: Slightly inequilateral, beaks just infront of midline. Tumidity: Inflated. Outline: Broadly oval remaining longer than high, anterior dorsal margin rather pronounced, posterior margin only slightly less rounded than anterior. Contour: Umbonate, posterior angle weak.

Sculpture: 16-18 widely spaced, strong radial ribs, each carrying a row of short spines arising from the midline of the rib. In early stages, the triangular shaped spines are joined to each other giving a serrated profile but soon the spines are separated. The spines are spathulate with their upper surfaces excavated. Overall with a strong concentric rugose sculpture most prominent in interspaces. 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 to tan.



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Distribution & Ecology


A southern species now recorded from the Netherlands and therefore likely to appear on the English Channel coasts. Muddy sand, intertidal and shallow shelf. In the Netherlands is found in the lower reaches of the delta system of the Schelde.

Depth Range
Intertidal
Continental Shelf (to 200m)


Juveniles & Similar Species

Juvenile Description

Key Features & Similar Species

Additional Comments

Cardioidea : Cardiidae

References


Listed are literature citing Acanthocardia paucicostata (G B Sowerby II, 1841). Reference containing the species Type Description is highlighted.
Goud J 2002. De Tere hartschelp Acanthocardia paucicostata (Sowerby) (Bivalvia: Heterodonta: Cardiidae) nu in de Grevelingen gevestigd?. Basteria. 66: 106.
Sowerby G B II 1841. On some new species of the genus Cardium chiefly from the collection of H Cuming Esq.. Proceedings of the Zoological Society London. VIII:

Resources


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  • Conchological Society of Great Britain & Ireland
    Provides resources for understanding, identifying, recording, and conserving molluscs
  • CLEMAM
    Check List of European Marine Mollusca
  • MarLIN
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  • NBN Gateway
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  • 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 - 15/01/2014