Specimen collected by Jan Light from Portland Harbour, Dorset. Length = 32mm.
<em>Dosinia lupinus</em> (Linnaeus, 1758)
Occurs from the north of Norway to the Iberian Peninsula and into the Mediterranean.
The map provided here shows the distribution of the species based on Conchological Society data.
Burrows deeply in sand (sometimes mixed with mud) and shell gravel. Feeds by filtering phytoplankton.
Solid, almost round shell up to about 4cm across. Dirty white to light brown in colour and generally plain (no additional rays or streaks). Sculpture of fine concentric ridges and faint radiating lines and an almost silky lustre. Three cardinal teeth in each valve and single lateral tooth in left valve. Mantle tubes united throughout.