†family Cyrtophyllidae Sokolov 1950
Anthozoa - Heliolitida - Cyrtophyllidae
Parent taxon: Proporicae according to D. Hill 1981
Sister taxa: Plasmoporellidae, Plasmoporidae, Proheliolitidae, Proporidae, Sibiriolitidae
Subtaxa: Cyrtophyllum Karagemia Rhaphidophyllum
Ecology: stationary intermediate-level epifaunal microcarnivore
Distribution:
• Ordovician of Canada (6: Northwest Territories collections), China (1), the Russian Federation (13), United States (4: Alaska)
Total: 24 collections including 30 occurrences