Characters: Colonies are thin, weakly attached plates with interconnecting, slightly sinuous narrow valleys. Corallite centres are usually in single rows. Columellae are rudimentary or absent.
Colour: Greys and browns are the most common with valleys and walls of contrasting colours.
Similar species: Mycetophyllia danaana, which has longer, wider and more widely spaced valleys. See also M. aliciae.
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