Anthozoa - Stauriida - Arachnophyllidae
Parent taxon: Arachnophyllina according to D. Hill 1981
See also Hill 1956
Sister taxa: Entelophyllidae, Expressophyllidae
Subtaxa: Angullophyllum Arachnophyllinae Arachnophyllum Chonophyllum Craterophyllum Idiophyllum Naos Ningqiangophyllum Prodarwinia Pseudomucophyllum Ptychophyllinae Werneckelasma Zenophila
Ecology: stationary epifaunal suspension feeder
Distribution:
• Devonian of United States (7: Alaska, California, Indiana, Kentucky, New York collections)
• Niagaran of United States (1: Indiana)
• Silurian of Australia (4), Canada (14: Northwest Territories, Ontario, Quebec, Québec), China (2), the Czech Republic (2), India (3), Mongolia (2), the Russian Federation (1), Sweden (1), the United Kingdom (2), United States (19: Alaska, California, Iowa, Kentucky)
Total: 58 collections including 71 occurrences