A small, oval, plump inequilateral shell, 1 - 3.2 mm in length, with slightly posterior beaks and a smooth margin. The shell is dirty white in colour, often with a pinkish red tinge. High shore specimens may appear dark red in colour. The shell has a fine sculpture of concentric lines and the larval shell (prodissoconch) is visible and large, forming blunt, rounded umbones. May be confused with Turtonia minuta, which occupies a similar habitat.The genus Lasaea is cosmopolitan in distribution and composed of numerous species, which may be local variations of Lasaea adansoni (= rubra). Gosling (1994) suggested that species within this genus should be referred to as Lasaea rubra complex.
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