†subfamily Cothurnocystinae Bather 1899
Stylophora - Cornuta - Cothurnocystidae
Parent taxon: Cothurnocystidae according to B. Lefebvre and D. Vizcaino 1999
Sister taxa: Acuticarpus, Archaeocothurnus, Cardiocystella, Chauvelicystinae, Nevadaecystis, Phyllocystinae, Ponticulocarpus, Scotiaecystinae, Trigonocarpus
Subtaxa: Cothurnocystis
Ecology: facultatively mobile epifaunal suspension feeder
Distribution:
• Arenig of the United Kingdom (2 collections)
• Ordovician of the Czech Republic (1), France (1), the United Kingdom (1)
Total: 5 collections each including a single occurrence