Characters: Polyps are circular, up to 125 millimetres diameter, with a distinct central arch. Septa are densely packed and straight and have fine teeth and granulated sides.
Colour: Brown to greyish-violet.
Similar Species: Septa are similar to those of Fungia scabra but are thinner and more exsert. Costae are Cycloseris-like.
Habitat: Reef slopes and lagoons.
Abundance: Rare.
Taxonomic Note: Called Lithophyllon spinifer by Gittenberger, Reijnen and Hoeksema (2011) from molecular data. However, Lithophyllon is colonial with distinctive generic-level characters.
Taxonomic References: Claereboudt and Hoeksema (1987); Hoeksema (1989a); Veron (2000a);
Identification Guides: Nishihira and Veron (1995); Turak and DeVantier (2011b);
