†family Ceratocystidae Jaekel 1901
Stylophora - Cornuta - Ceratocystidae
Parent taxon: Cornuta according to H. H. Beaver et al. 1967
Sister taxa: Amygdalotheca, Amygdalothecida, Arauricystis, Babinocystis, Chauvelia, Cothurnocystida, Galliaecystis, Phyllocystidae, Procothurnocystis, Protocystites
Subtaxa: Ceratocystis
Ecology: facultatively mobile epifaunal suspension feeder
Distribution:
• Amgan of the Czech Republic (3 collections)
• Solvan of Spain (1)
• Cambrian of the Czech Republic (10), France (2), Germany (1), Spain (4)
Total: 21 collections each including a single occurrence