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Cycloseris somervillei

(Gardiner, 1909)

Polyps are oval and flat, with an arched central dome and a flat undersurface. The axial furrow is elongate. Primary septa are exsert on the central dome.

Colour: Pale brown or mottled.

Habitat: Soft inter-reef substrates and lower reef slopes protected from wave action.

Abundance: Usually uncommon.

Similar species:

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Veron and Pichon (1980), Hoeksema (1989, as Fungia (Cycloseris) somervillei). Additional identification guide: Veron (1986).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Cycloseris somervillei.  Papua New Guinea.  Side of a polyp, showing the arched central dome.  Charlie Veron.

Cycloseris somervillei.Papua New Guinea.Side of a polyp, showing the arched central dome.Charlie Veron.

Cycloseris somervillei.  Papua New Guinea.  Detail of septa.  Charlie Veron.

Cycloseris somervillei.Papua New Guinea.Detail of septa.Charlie Veron.

Cycloseris somervillei.  Papua New Guinea.  Polyps are oval with a prominent central arch.  Neville Coleman.

Cycloseris somervillei.Papua New Guinea.Polyps are oval with a prominent central arch.Neville Coleman.

Cycloseris somervillei.  Indonesia.  Polyps are oval with a prominent central arch.  Doug Fenner.

Cycloseris somervillei.Indonesia.Polyps are oval with a prominent central arch.Doug Fenner.

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

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

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

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

Cycloseris somervillei.  Papua New Guinea.  Showing upper surface.

Cycloseris somervillei.Papua New Guinea.Showing upper surface.

Cycloseris somervillei.  Papua New Guinea.  Showing lower surface.

Cycloseris somervillei.Papua New Guinea.Showing lower surface.