Characters: Colonies are submassive or laminar. Corallites are in short valleys. Walls are rounded although they may have a central ridge. Petaloid septo-costae are usually short, sometimes inconspicuous or absent.
Colour: Uniform grey, brown, tan or cream, usually with dark corallite centres.
Similar species: Psammocora superficialis, which has less distinctive corallites with distinctly petaloid primary septo-costae. See also P. haimeana.