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
Depth Range
Continental Shelf (to 200m)
Additional Information & Related Species
Related Species
Hiatelloidea : Hiatellidae
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.