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.
Taxonomic note: This species was formerly placed in Astreosmilia, a genus of its own. Source reference: Veron (2000). Taxonomic reference: Ortmanns original description/specimens.s original description/specimens.
displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Caulastrea connata.Tanzania.This rare species has large corallites with large irregular septa.Charlie Veron.