Species Account

Mactra stultorum (Linnaeus, 1758)

Mactroidea : Mactridae

Tebble name: Mactra corallina (Linnaeus)
Smith & Heppell name: Mactra stultorum (L., 1758)

To size: To 51mm. Shell Structure: Thin, brittle. Equivalve: Equivalve. Equilateral: Equilateral. Tumidity: Fairly tumid. Outline: Broadly triangular, anterior dorsal margin just lower than posterior, anterior margin more broadly curved than posterior, posterior dorsal margin almost straight, to a narrowly curved posterior margin.

Sculpture: Very fine concentric lines. Growth stages clear. Margin: Smooth. Ligament: External tiny dark brown and sunken just behind beaks, internal in a spoon-shaped chondrophore. A tiny, thin cream coloured septum separates the internal and external. Hinge: LV three cardinals and single anterior and posterior laterals. Two of the cardinals are inverted v-shaped and the third, which is very thin and can be broken, lies directly behind the rear cardinal may be overlooked. RV two cardinals, the anterior almost parallel to the dorsal margin, and double anterior and posterior laterals. The lower laterals are longer and protrude more than the upper laterals. Pallial Musculature: Shallow pallial sinus - does not reach midline. Periostracum: Thin, light to mid-brown. Colour: Cream with purple seen externally around the beaks and internally around the edges, brown rays radiate from the beaks.

Distribution & Ecology

Widely distributed living from low in the intertidal to nearshore shelf depths. A shallow but active burrower in sand or muddy sand.

Depth Range
Intertidal
Continental Shelf (to 200m)

Additional Information & Related Species

References

Listed are literature citing Mactra stultorum (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

  • 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.

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Record last modified: 22/03/2016