Species Account

Cyrtodaria kurriana Dunker, 1861

Hiatelloidea : Hiatellidae

Tebble name: n/a
Smith & Heppell name: Cyrtodaria siliqua (Spengler, 1793)

To size: To 80 mm. Shell Structure: Becoming very thick with age. Equivalve: Equivalve. Equilateral: Inequilateral, beaks just behind midline in small shells far behind in large shells. Tumidity: Compressed. Outline: Elongate oval; posterior dorsal margin sub-parallel to ventral margin, shorter than anterior dorsal margin, which slopes more steeply; posterior margin bluntly rounded; anterior margin narrowly rounded; ventral margin long almost straight. Contour: Umbos very low, beaks frequently eroded.

Sculpture: Smooth with weak concentric lines and growth stops. Margin: Inner margin smooth. Ligament: External supported by a massive, dorsally projecting nymph. Hinge: Hinge without obvious teeth, faint irregular projection anterior to nymph. Pallial Musculature: Scars deeply impressed; pallial line entire except for a slight indentation below the posterior adductor scar; anterior adductor scar elongate, posterior adductor scar oval. Periostracum: Thick, persistent, brown to black in colour. Colour: Shell dirty white.

Distribution & Ecology

An Arctic species with only fossil shells known from European sites. Not living in British waters.

Depth Range
Continental Shelf (to 200m)

Additional Information & Related Species

Related Species

References

Listed are literature citing Cyrtodaria kurriana Dunker, 1861. Reference containing the species Type Description is highlighted.

Dunker W 1861. Beschreibung Neuer Mollusken. Malakozoologische Blätter. 8: 35-45.

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