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Off Camber, Sussex. Fish survey. : 50° 53’N / 00° 51’E : 17m
M011958

Off Camber, Sussex. Fish survey. : 50° 53’N / 00° 51’E : 17m
M011955

Off Camber, Sussex. Fish survey. : 50° 53’N / 00° 51’E : 17m
M011956

Off Camber, Sussex. Fish survey. : 50° 53’N / 00° 51’E : 17m
M011957

Off Camber, Sussex. Fish survey. : 50° 53’N / 00° 51’E : 17m
M011959

Off Camber, Sussex. Fish survey. : 50° 53’N / 00° 51’E : 17m
M011960

Off Camber, Sussex. Fish survey. : 50° 53’N / 00° 51’E : 17m
M011961
Saxicavella jeffreysi Winckworth, 1930
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NMW Image No.

Saxicavella jeffreysi Winckworth, 1930

Hiatelloidea : Hiatellidae
Tebble name: Saxicavella jeffreysi Winckworth
Smith & Heppell name: Saxicavella jeffreysi Winckworth, 1930

To size: To 10mm. Shell Structure: Thin, rather fragile. Equivalve: Equivalve. Equilateral: Inequilateral, beaks distinctly in front of midline. Tumidity: Not inflated. Outline: Obliquely rhomboidal, anterior much narrower than posterior, posterior dorsal margin distinct rather straight, posterior margin obliquely subtruncate, ventral margin almost straight inclined to narrowly rounded anterior. Contour: Posterior area set off by oblique rounded ridge running from umbo to post-ventral margin (this much stronger in juvenile shells). Anterior similar but less distinct.

Sculpture: Of fine concentric lines and growth stops. Margin: Inner margin smooth. Ligament: External as a narrow band behind the beaks. Hinge: RV with a flange-like cardinal tooth fitting into corresponding depression in LV. Pallial Musculature: Pallial line wide, pallial sinus absent. Periostracum: Often persistent, yellowish to pale brown. Colour: Dirty white.



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Distribution & Ecology


Of wide but sporadic occurrence across the entire shelf. North Sea records are of valves only. Lives in mud and muddy sand.

Depth Range
Continental Shelf (to 200m)


Juveniles & Similar Species

Juvenile Description

Key Features & Similar Species

Additional Comments

Hiatelloidea : Hiatellidae

References


Listed are literature citing Saxicavella jeffreysi Winckworth, 1930. Reference containing the species Type Description is highlighted.
Van Aartsen JJ & Bogi C 1998. European Marine Mollusca: Notes on less well-known species. XIV. Saxicavella angulata (S.V. Wood, 1857). La Conchiglia. 289: 56-58.
Winckworth R 1930. Notes on nomenclature 5. Some new names for British marine bivalves. Proceedings of the Malacological Society of London. 19: 14-15.

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 - 15/01/2014