Species Account

Gari fervensis (Gmelin, 1791)

Tellinoidea : Psammobiidae

Tebble name: Gari (Gari) fervensis (Gmelin)
Smith & Heppell name: Gari fervensis (Gmelin, 1791)

To size: To 50mm. 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, dorsal margin long, angular to a truncate posterior margin. Contour: Tiny posterior gape.

Sculpture: Fine concentric lines, but on posterior dorsal margin are radial ribs. 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 and posterior equal in size and bifid. No laterals. Pallial Musculature: Deep pallial sinus, to beneath umbones, confluent with pallial line for much of its length. 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 fine silty sands, from low intertidal and shelf but uncommon beyond 100m. Widespread.

Depth Range
Continental Shelf (to 200m)

Additional Information & Related Species

Juvenile Description

Juveniles are less elongate, strongly truncated and with prominent nodules on the posterior riblets in the LV, these absent in the RV. As with all species of Gari the small beaks are projecting.

Key Features & Similar Species

Of the Gari species here only G. fervensis and G. costulata have distinct posterior radial sculpture but this is finer and scabrous in G. fervensis and the LV is carinate.

Related Species


Listed are literature citing Gari fervensis (Gmelin, 1791). Reference containing the species Type Description is highlighted.

Gmelin J F 1791. Carli Linnaei systema Naturae per regna tria naturae. Editio decimatertia, aucta, reformata, Vermes Testacea 1 (6). Lipsiae. 3021-3910.


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Record last modified: 22/03/2016