Characters: Colonies are dome-shaped or flat. Corallites are compact and large, with wide openings. Small corallites usually occur between the large corallites. The coenosteum is coarse.
Colour: Brown, cream or yellow.
Similar Species: Corallites are substantially larger than those of other Astreopora except A. macrostoma.
Habitat: Shallow reef environments.
Abundance: Usually rare.