Fred Bavendam / Giant Cup Mushroom Coral (Amplexidiscus fenestrafer) group, Bali, Indonesia

Chris Newbert / Giant Cup Mushroom Coral (Amplexidiscus fenestrafer) detail, Papua New Guinea

Norbert Wu / Giant Cup Mushroom Coral (Amplexidiscus fenestrafer) closely related to sea anemones, Raja Ampat Islands, Indonesia

Juergen Freund / Group of corallimorphia {Amplexidiscus fenestrafer} Great Barrier Reef, Australia

Juergen Freund / Group of corallimorphia {Amplexidiscus fenestrafer} Indo-pacific

Juergen Freund / Group of corallimorphia {Amplexidiscus fenestrafer} Great Barrier Reef, Australia

Juergen Freund / Corallimorpharia {Amplexidiscus fenestrafer} coral Sulu-sulawesi seas, Indo Pacific

David Fleetham / Corallimorpharian (Amplexidiscus fenestrafer), Indonesia.

Roberto Rinaldi / Ballon corallimorpharians (Amplexidiscus fenestrafer) sea anaemones, Tubbataha Reef, Phillipines.