Anthozoa - Scleractinia - Faviidae

Alternative combination: Heliastrea inaequalis

Synonym: Heliastrea immersa Reuss 1868

Belongs to Montastrea according to Barta-Calmus 1973

Sister taxa: Montastrea alpina, Montastrea annularis, Montastrea annuligera, Montastrea antilliana, Montastrea bachmayeri, Montastrea bainbridgensis, Montastrea brevis, Montastrea bumi, Montastrea canalis, Montastrea cavernosa, Montastrea colemani, Montastrea costata, Montastrea cribraria, Montastrea cubana, Montastrea curta, Montastrea cylindrica, Montastrea davisina, Montastrea edwardsensis, Montastrea endothecata, Montastrea eocenica, Montastrea exsculpta, Montastrea felixi, Montastrea gabbi, Montastrea heimi, Montastrea imperatoris, Montastrea intermedia, Montastrea irradians, Montastrea katzeri, Montastrea lauensis, Montastrea lepidoides, Montastrea lilli, Montastrea limbata, Montastrea linggapadangensis, Montastrea lyonsi, Montastrea nancyi, Montastrea nodosa, Montastrea orbitoides, Montastrea pecosensis, Montastrea pediculata, Montastrea peninsularis, Montastrea prima, Montastrea roemeriana, Montastrea rotunda, Montastrea rudis, Montastrea schuberti, Montastrea schweinfurthi, Montastrea tabulata, Montastrea tampaensis, Montastrea tchihatcheffi, Montastrea texana, Montastrea trinitatis, Montastrea valenciennesii, Orbicella praeheliopora, Orbicella boehmi, Phyllocoenia pomeli

Type specimens:

• Montastrea inaequalis: Its type locality is Monte Carlotta, which is in a Rupelian perireef or subreef limestone in the Castelgomberto Formation of Italy
• Heliastrea immersa: Its type locality is Monte Grumi, Castelgomberto, which is in a Rupelian reef, buildup or bioherm limestone in the Castelgomberto Formation of Italy.

Ecology: stationary low-level epifaunal photosymbiotic-microcarnivore