Anthozoa - Stauriida - Lykophyllidae
Parent taxon: Lycophyllina according to D. Hill 1981
See also Merriam 1972
Sister taxon: Halliidae
Subtaxa: Camurophyllum Hercophyllum Holophragma Neocystiphyllum Onychophyllum Phaulactis Plasmophyllum Pseudocystiphyllum Pseudophaulactis Pycnactis Reimanophyllum Rukhinia Ryderophyllum Strephophyllum Sverigophyllum Svetlania Zeravschania
Ecology: stationary epifaunal suspension feeder
Distribution:
• Couvinien of Australia (1 collection)
• Devonian of Australia (2), the Russian Federation (3), Tajikistan (7), the United Kingdom (1), United States (3: Alaska)
• Jaani of Estonia (1)
• Silurian of Australia (10), Belarus (1), Canada (6: Manitoba, New Brunswick, Quebec), China (11), Mongolia (4), Norway (1), the Russian Federation (30), Sweden (5), Tajikistan (3), Ukraine (6), the United Kingdom (6), United States (8: Alaska, California, Kentucky)
• Ordovician to Silurian of the Russian Federation (1)
• Ordovician of Australia (2), Canada (1: Manitoba), China (2), United States (2: New Mexico, Texas, Wyoming)
Total: 117 collections including 148 occurrences