†Stephanaxophyllia Alloiteau 1957 (stony coral)
Anthozoa - Scleractinia - Columastreidae
Parent taxon: Columastraeidae according to R. Baron-Szabo 2006
Sister taxa: Columastrea, Haimesastrea, Haimesiastraea, Palaeoplesiastraea, Placocolumastrea
Subtaxa: Stephanaxophyllia bicoronata
Ecology: stationary intermediate-level epifaunal photosymbiotic-suspension feeder