Characters: Colonies are encrusting. Corallites are widely spaced and form excavations in the coenosteum. Septa are in two equal or subequal cycles. Each corallite has a prominent coenosteum style. Colour: Dark or bright red, brown or green. Similar species: Stylocoeniella guentheri, which has smaller corallites with less prominent coenosteum styles. See also Madracis kirbyi and the poritid Poritipora paliformis. Habitat: Shallow reef environments. Abundance: Rare, cryptic.