†subfamily Placosmiliinae Alloiteau 1952 (stony coral)
Anthozoa - Scleractinia - Montlivaltiidae
Parent taxon: Montlivaltiidae according to J. W. Wells 1956
Sister taxa: Anisastraea, Brevimaeandra, Ceratothecia, Clausastrea, Coenotheca, Complexastraeopsis, Confusastrea, Cyathophyllia, Cyathophylliopsis, Dimorphocoenia, Elasmophyllia, Goldfussastraea, Goldfussastrea, Isastrea, Kobyphyllia, Mapucheastrea, Margarastreopsis, Montlivaltia, Nerthastraea, Neuquinosmilia, Paraclausastraea, Paraphyllogyra, Peplosmilia, Placosmilia, Plesiophyllia, Puschastraea, Rhabdophyllia, Trochophyllia, Trochosmilia
Subtaxa: none
Ecology: stationary intermediate-level epifaunal photosymbiotic-suspension feeder
Distribution: there are no occurrences of Placosmiliinae in the database