Characters: Colonies are encrusting. Corallites are widely separated and circular in outline. They have six exsert septa which are fused with the columella. A second cycle of septa is rudimentary. The coenosteum has fine blisters.
Colour: Unknown.
Similar Species: Madracis pharensis, which has ten primary septa.
Habitat: Deep water.
Abundance: Rare.
Taxonomic References: Wells (1973b); Veron (2000a);