Characters: Colonies are phaceloid. Corallites are prominent and sturdy, 10-25 millimetres diameter, and frequently have more than one mouth. Septa are irregularly spaced, exsert and rough-edged. Costae are poorly developed; paliform lobes are not conspicuous.
Colour: Grey-brown.
Similar Species: Caulastrea tumida, which has smaller, more fleshy corallites and more even septa. See also Favia vietnamensis.
Habitat: Shallow reef environments.
Abundance: Rare.
Taxonomic References: Veron (2000a); Huang, Benzoni, Fukami et al. (2014);
Identification Guides: Pillay, Terashima, Venkatasami et al. (2002);
