Characters: Colonies are submassive to encrusting, with angular corallites 8-15 millimetres diameter. ‘Groove and tubercle’ formations are well developed. Long and short septa strongly alternate, are thickened over walls and are uniformly toothed.
Colour: Usually green, brown or yellow with white septa and sometimes green oral discs.
Similar Species: Phymastrea colemani. See also Phymastrea magnistellata.
Habitat: Most reef environments.
Abundance: Usually uncommon.
Taxonomic Note: Previously in the genus Montastrea/Montastraea. The type species of Phymastrea Milne Edwards and Haime, 1848 by subsequent implied designation, see Milne Edwards and Haime (1848d, 1848f, 1849b).
Taxonomic References: Veron and Hodgson (1989); Veron (2000a); Budd, Fukami, Smith et al. (2012);
Identification Guides: Veron (1986a); Nishihira and Veron (1995); Turak and DeVantier (2011b);
