Species Account

Gari depressa (Pennant, 1777)

Tellinoidea : Psammobiidae

Tebble name: Gari (Psammocola) depressa (Pennant)
Smith & Heppell name: Gari depressa (Pennant, 1777)

To size: To 65mm. Shell Structure: Solid. Equivalve: Slightly inequivalve, RV more convex than LV. Equilateral: Inequilateral, beaks in front of midline. Tumidity: Not tumid. Outline: Narrowly ovate/elongate, posterior margin angular, almost truncate. Contour: Posterior gape.

Sculpture: Concentric lines and ridges, fine radial lines. Margin: Smooth. Ligament: Large, prominent dark band extending around a fifth of way to posterior margin. Hinge: 2 cardinals in each valve; in LV anterior large, prominent, bifid, posterior tiny, thin; in RV anterior larger than posterior, although both are prominent and bifid. No laterals. Pallial Musculature: Deep pallial sinus, to beneath umbones, confluent with pallial line for half the length of sinus. Cruciform muscle barely visible. Periostracum: Thick, dark brown/greenish-brown. Colour: White/cream with pink/purple rays of varying widths.

Distribution & Ecology

A burrower in silty sand to shell gravel in relatively sheltered settings. Although widely recorded across the whole shelf it is mostly found in the sublittoral and rarely beyond 30m. Mostly from the south and west coasts.

Depth Range
Continental Shelf (to 200m)

Additional Information & Related Species

Key Features & Similar Species

Most similar to G. tellinella but in that species the posterior dorsal margin is sloping, the posterior is less expanded and there is no posterior gape.

Related Species


Listed are literature citing Gari depressa (Pennant, 1777). Reference containing the species Type Description is highlighted.

Pennant T 1777. British Zoology vol.IV. Crustacea, Mollusca, Testacea London, B. White. 154pp, 93pls.


  • Conchological Society of Great Britain & Ireland
    Provides resources for understanding, identifying, recording, and conserving molluscs
    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.

Image Gallery

Record last modified: 22/03/2016