Anthozoa - Scleractinia - Faviidae

Alternative combinations: Heliastrea microcalyx, Orbicella microcalyx

Belongs to Plesiastrea according to M. Gameil 2003

Sister taxa: Plesiastrea costata, Plesiastrea fungiformis, Plesiastrea grayi, Plesiastrea incerta, Plesiastrea moravica, Plesiastrea sulcatilamellosa, Plesiastrea versipora

Ecology: stationary low-level epifaunal photosymbiotic-microcarnivore