(Montagu, 1803)
Description (shell):
Shell thin and brittle, elongate, elliptical, umbones close to anterior margin; dorsal margin straight posteriorly, sloping anteriorly, ventral margin strongly convex. Left valve convex, right valve flat, with a distinct dorsal flange where it joins the left. Sculpture of fine concentric lines, conspicuous only on right valve; left valve with a single, fine ridge extending posteriorly from umbo. Right valve with a single tooth-like ridge anterior to a slender, raised chondrophore; left valve with a corresponding socket, a ridge anterior to it and a slender, raised chondrophore posteriorly. Adductor scars distinct, pallial line a series of small, round scars.
Size:
Up to 20 mm long.
Colour:
Dull white, periostracum light brown. Inner surfaces white.
Animal:
Lives in deeper water than Pandora albida, where it has no need to to burrow deeply; therefore the siphons are shorter and the shell is less drawn out posteriorly.
Habitat:
Occurs offshore.
Distribution:
Generally uncommon (Distr. P. pinna). Distributed south to the Mediterranean and north-west Africa.