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), Germany (13), Greenland (5), Indonesia (2), Iran (10), Japan (2), Pakistan (2), the Russian Federation (8), Svalbard and Jan Mayen (5), Tajikistan (1), Timor-Leste (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), Türkiye (1), the United Kingdom (1), United States (1: Arkansas)
• Silurian to Devonian of Tajikistan (1)
• Silurian of United States (1: Oklahoma)
Total: 112 collections including 137 occurrences