Isophyllia Milne-Edwards and Haime 1851 (stony coral)
Anthozoa - Scleractinia - Mussidae
Parent taxon: Mussidae according to J.E.N. Veron 2000
Sister taxa: Acanthastrea, Acanthophyllia, Aquitanophyllia, Australomussa, Blastomussa, Circophyllia, Cyclomussa, Cynarina, Homophyllia, Indomussa, Indophyllia, Isophyllastrea, Leptomussa, Lithophyllia, Lobophyllia, Matejkia, Micromussa, Mussa, Mussismilia, Mycetophyllia, Palaeomussa, Scolymia, Symphyllia, Syzygophyllia, Trachyphyllia
Subtaxa: Isophyllia desotoensis, Isophyllia rigida, Isophyllia sinuosa
Ecology: stationary intermediate-level epifaunal photosymbiotic-suspension feeder