Anthozoa - Stauriida - Antiphyllidae
Parent taxon: Antiphyllidae according to D. Hill 1981
Sister taxa: Axisvacuus, Claviphyllum, Falsiamplexus, Pseudoclaviphyllinae, Variaxoninae
Subtaxa: Actinophrentis Bradyphyllum Clavilasma Fasciculophyllum Lytvolasma Pseudobradyphyllum Rotiphyllum
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of Canada (3: British Columbia, Nunavut collections), China (14), Greenland (1), the Russian Federation (2), Svalbard and Jan Mayen (1), Thailand (1), Tunisia (1), United States (10: Nevada, Texas)
• Carboniferous of China (4), Egypt (3), Germany (2), Ireland (7), Japan (1), Mexico (1), Morocco (4), Poland (1), the Russian Federation (2), Spain (1), Turkey (1), Ukraine (9), the United Kingdom (51), United States (22: Arizona, Arkansas, California, Indiana, Montana, Texas)
Total: 142 collections including 215 occurrences