Species Account

Thracia pubescens (Pulteney, 1799)

Thracioidea : Thraciidae

Tebble name: Thracia pubescens (Pulteney)
Smith & Heppell name: Thracia pubescens (Pulteney, 1799) 1799)

To size: To 90mm. Shell Structure: Brittle. Equivalve: Inequivalve, RV more convex than LV. Equilateral: Inequilateral, beaks behind midline. Outline: Truncated oval. Posterior dorsal margin slopes gently to a medially curved posterior margin. Ventral margin straight. Anterior dorsal margin straight to a rostrate truncate anterior margin.

Sculpture: Concentric ridges. Coarse granulations visible much more so in truncate region. Margin: Smooth, sometimes broken. Ligament: External and internal: External wide, behind beaks; internal fat in a broad triangular resilifer below external. Hinge: Lithodesma in front of resilifer, although often broken. Pallial Musculature: Shallow, broad, under a third the length of shell. Periostracum: Yellow/beige. Colour: White.

Distribution & Ecology

In sand and mud below low watermark around the southwest coast of Britain.
Distributed from the UK south down to the NW coast Africa and the Mediterranean.

Depth Range
Continental Shelf (to 200m)

Additional Information & Related Species


Listed are literature citing Thracia pubescens (Pulteney, 1799). Reference containing the species Type Description is highlighted.

Pulteney R 1799. Catalogue of the birds, shells, and some of the more rare plants of Dorsetshire London, Nichols. 92pp.
Soot-Ryen T 1941. Northern Pelecypods in the collection of Tromsø Museum I Order Anomalodesmacea Families Pholoadomyidae. Thraciidae and Periplomatidae. Tromsø Museums Arshefter Naturhistorisk Avd. Nr. 17. 61: 1-41, 10 pls.


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Record last modified: 22/03/2016