†family Opisthophyllidae Geyer 1955 (stony coral)
Anthozoa - Scleractinia - Opisthophyllidae
Parent taxon: Amphiastraeina according to D. Turnsek 1997
Sister taxa: Carolastraeidae, Donacosmilidae, Intersmiliidae, Mitrodendronidae
Subtaxa: Pseudopisthophyllum
Ecology: stationary intermediate-level epifaunal microcarnivore-photosymbiotic
Distribution: