Commentaire : Corallum free-living. Each coral with usually one, centrally located mouth (monostomatous). Discoidal. The coralla are relatively thick and they vary from flat to slightly arched. The length of the central fossa, measured at its bottom, is 1/10 to 1/5 of the corallum diameter.Maximum length of the coralla up to 25 cm. The septa are relatively thick, loosely packed and straight. The septa of lower order cycles are thicker and more protruding than the ones of higher orders. The septal margins are coarsely ornamented with regularly or irregularly angular dentations. Their number varies from 2 to 10 per cm. The corallum wall is solid and granulated. The costae are very unequal in size. The lower order costae are coarsely ornamented with blunt or elongate spines covered by coarse granulations which may give the spines a branched appearance. The number of the spines varies from 4 to 16 per cm.
Protection : basse