Rhombopsammia Owens, 1986

Diagnosis.

Corallum solitary, discoidal, and free. Synapticulothecate. Broad marginal shelf present. Costae ridged, thin and dentate. Intercostal spaces broader than costae and penetrated by large pores. Septa imperforate, with complex dentitions. Septa alternate in position with costae. Septa arranged in typical micrabaciid pattern, having multiple bifurcations of S3; number of septa a function of calicular diameter, varying between 99 and 144 in adult stage. Columella spongy.

Type species.

Rhombopsammia squiresi Owens, 1986a, by original designation.