Characters: Colonies are columnar and may be several metres across. Corallites are in shallow valleys. Columellae are compact and reach the height of the inner septal margins. Septo-costae are usually granulated and have a conspicuous granule near the valley wall. Tentacles are often extended during the day.
Colour: Uniform dark grey, or brown.
Similar Species: Coscinaraea columna. Psammocora digitata has a similar growth-form but much finer corallites.
Habitat: Shallow reef environments.
Abundance: Common.
Taxonomic References: Veron and Pichon (1980); Veron (2000a);
Identification Guides: Veron (1986a); Nishihira and Veron (1995); Turak and DeVantier (2011b);