Characters: Colonies are small nodules, usually less than 0.5 metres across. Corallites are deep, funnel-shaped, and polygonal. Septa are thickened near the wall.
Colour: Grey, brown or green.
Similar Species: Porites astreoides, which forms massive colonies. Calice characters are closest to P. astreoides.
Habitat: Shallow reef environments.
Abundance: Common.
Taxonomic References: Veron (2000a);
Identification Guides: Maragos (1977); Fenner (2005);
