Strophomenata - Orthotetida - Chilidiopsidae
Synonym: Fardeniinae Williams 1951
Parent taxon: Chilidiopsidae according to L. Hints and D. A. T. Harper 2015
See also Isaacson et al. 1976, Rubel 2011 and Williams et al. 2000
Sister taxa: Fardenia, Gacellinae, Saughina, Valdaria, Xystostrophia
Subtaxa: Hipparionix Iridistrophia Kopella Morinorhynchus
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Givetian of France (7 collections)
• Devonian of Argentina (1), Australia (3), Belarus (2), Canada (44: Northwest Territories, Nunavut, Yukon), the Czech Republic (7), France (21), Germany (3), Libya (1), Mongolia (1), Spain (5), Ukraine (5), United States (6: Nevada, New York)
• Whitwellian of Canada (4: Northwest Territories)
• Silurian of Australia (9), Belarus (2), Canada (12: Northwest Territories, Nunavut), China (4), the Czech Republic (3), Estonia (12), Latvia (2), Lithuania (11), Poland (1), the Russian Federation (3), Spain (1), Sweden (16), Ukraine (6), United States (2: Nevada, Wisconsin)
• Ordovician of Kazakhstan (4)
Total: 198 collections including 206 occurrences