Characters: Colonies are encrusting or form thick plates with low irregular ridges. Corallites are small, shallow, and irregularly distributed. Primary septo-costae have a petaloid shape.
Colour: Uniform pale to dark grey, tan or brown, sometimes brightly coloured.
Similar species: Psammocora nierstraszi, which has similar corallites but has well defined ridges between them. See also P. profundacella.
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