We extend special thanks to Philippe & Guido T. Poppe von Poppe Images, Marine Iconography of the Philippines Archipelago who provided this excellent photo.
Characters: Colonies are thickets of pencil-thick branches. Corallites are widely spaced, up to 4 millimetres diameter. Septa are in two alternating cycles and form a paliform crown. Costae form fine striae over the coenosteum surface.
Habitat: Shallow rock substrates.
Source Corals of the World by Charlie J.E.N. Veron