Colonies are flat plates. Corallites are circular, with neat well defined walls. Septa are in two unequal cycles.
Lower reef slopes protected from wave action.
Source reference: Veron (2000). Taxonomic references: Wells (1954), Scheer and Pillai (1983). Additional identification guide: Sheppard and Sheppard (1991).
displaying probable distribution of species. Points indicate recorded sightings from OBIS.