Commentaire : Corallum free-living. Each coral with usually one, centrally located mouth (monostomatous). The corals vary from flat to highly arched. They are irregularly circular and usually thick. The length of the central fossa is 1/9 to 1/4 of the coral length. Maximum length of the coralla up to 15 cm. The septa are densely packed and almost of equal thickness and height, either straight or slightly bending. The solid septa of lower orders are slightly thicker and more protruding than those of higher orders. The septal margins are finely ornamented with sharp, irregularly angular dentations. The corallum wall is solid and not granulated. The costae are equal to subequal in size, straight and distinct from the centre to the corallum margin. The costal spines are small, club-shaped and granulated or elongate and echinose.
Protection : basse