Colonies are massive. Corallites are circular, closely compacted in shallow water, more widely spaced in deeper water. Septa are widely spaced and characteristically irregular. Paliform lobes are usually poorly developed.
Pale yellow, cream or green, with dark brown or green oral discs.
All reef environments, often a dominant species of back reef margins.
One of the most common faviids of eastern Australia, but usually much less common elsewhere.