Characters: Polyps are circular, thin and flat with a small central dome. Septa are in markedly different orders but each septum is uniform throughout its length. Costae on the undersurface are thick and irregularly arranged.
Colour: Pale brown or yellow.
Similar Species: Cycloseris costulata, which has thinner, more regular costae.
Habitat: Soft inter-reef substrates.
Abundance: Rare.
Taxonomic References: Hoeksema (1989a) as Fungia tenuis; Veron (2000a); Hoeksema (2014);
Identification Guides: Turak and DeVantier (2011b);
