†family Phyllocystidae Derstler 1979
Stylophora - Cornuta - Phyllocystidae
Parent taxon: Cornuta according to A. B. Smith and P. A. Jell 1999
Sister taxa: Amygdalotheca, Amygdalothecida, Arauricystis, Babinocystis, Ceratocystidae, Chauvelia, Cothurnocystida, Galliaecystis, Procothurnocystis, Protocystites
Subtaxa: Drepanocarpos Phyllocystis
Ecology: facultatively mobile epifaunal suspension feeder
Distribution: