Characters: Polyps are small (up to 50 mm diameter), flat and button-like. The orders of septa are well defined. Primary septa are thick.
Colour: Tan or cream.
Similar Species: Readily confused with juvenile Fungia. Cantharellus noumeae.
Habitat: Mid-reef slopes exposed to moderate wave action.
Abundance: Rare.
Taxonomic Note: Readily confused with juvenile Fungia.
Taxonomic References: Scheer and Pillai (1983) as Cyloseris doederleini; Hoeksema (1989a); Veron (2000a);
