†order Cornuta Jaekel 1901
Parent taxon: Stylophora according to C. D. Sumrall et al. 2009
See also Beaver et al. 1967, Lee et al. 2006, Lefebvre 2001, Lefebvre and Vizcaino 1999, Sepkoski 2002, Sumrall and Sprinkle 1999, Ubaghs 1994 and Ubaghs 1999
Sister taxa: Ankyroida, Mitrata, Reticulocarpidae
Subtaxa: Amygdalotheca Amygdalothecida Arauricystis Babinocystis Ceratocystidae Chauvelia Cothurnocystida Galliaecystis Phyllocystidae Procothurnocystis Protocystites
Ecology: facultatively mobile epifaunal suspension feeder