Anthozoa - Stauriida - Polycoeliidae
Parent taxon: Plerophyllina according to D. Hill 1981
Sister taxa: Adamanophyllidae, Anisophyllidae, Endotheciidae, Lophophyllidae, Plerophyllidae, Timorphyllidae, Verbeekiellidae
Subtaxa: Calophyllum Endotheciinae Fedorowskites Maichelasma Pentamplexus Polycoeliinae Prosmiliinae Sochkineophyllum Tachylasmatinae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of Armenia (2 collections), Azerbaijan (12), Bosnia and Herzegovina (2), Canada (7: British Columbia, Nunavut), China (23), East Timor (1), Germany (13), Greenland (5), Indonesia (2), Iran (10), Japan (2), Pakistan (3), the Russian Federation (8), Svalbard and Jan Mayen (5), Tajikistan (1), Tunisia (1), the United Kingdom (3), United States (1: Texas)
• Carboniferous of Australia (2), China (2), Egypt (1), France (1), the Russian Federation (1), Spain (1), Turkey (1), the United Kingdom (1), United States (1: Arkansas)
• Silurian to Devonian of Tajikistan (1)
• Silurian of United States (1: Oklahoma)
Total: 114 collections including 139 occurrences