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Cycloseris patelliformis

(Boschma, 1923)

Polyps are circular to slightly oval, with a large central dome and nearly flat undersurface. Costae and septa do not alternate at the polyp margin.

Colour: Pale mottled brown or cream, sometimes with a dark perimeter and/or violet mouth.

Habitat: Usually soft inter-reef substrates.

Abundance: Usually uncommon.

Similar species:

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Wells (1954), Veron and Pichon (1980). Additional identification guides: Veron (1986), Sheppard and Sheppard (1991), Coles (1996).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Cycloseris patelliformis.  Great Barrier Reef, Australia.  Detail of a polyp.  Ed Lovell.

Cycloseris patelliformis.Great Barrier Reef, Australia.Detail of a polyp.Ed Lovell.

Cycloseris patelliformis.  Papua New Guinea.  Detail of a polyp.  Jim Maragos.

Cycloseris patelliformis.Papua New Guinea.Detail of a polyp.Jim Maragos.

Cycloseris patelliformis.  Red Sea.  Detail of a polyp.  Mary Stafford-Smith.

Cycloseris patelliformis.Red Sea.Detail of a polyp.Mary Stafford-Smith.

Cycloseris patelliformis.  Great Barrier Reef, Australia.  Showing side view.

Cycloseris patelliformis.Great Barrier Reef, Australia.Showing side view.

Cycloseris patelliformis.  Great Barrier Reef, Australia.  Showing upper surface.

Cycloseris patelliformis.Great Barrier Reef, Australia.Showing upper surface.