Rhynchonellata - Athyridida - Athyrididae
Parent taxon: Athyrididae according to P. Musteikis and T. L. Modzalevskaya 2002
See also Jin and Chatterton 1997 and Williams et al. 2002
Sister taxa: Athyridinae, Athyris naliensis, Athyrisininae, Baliqliqia, Cleiothyridininae, Comelicaniinae, Helenathyridinae, Janicepsinae, Kintathyris, Lochengiinae, Mayangella, Pachyplaxoides, Plicathyridinae, Pradoiinae, Protathyridinae, Spirigerellinae, Tarimathyris, Transcaucasathyriinae, Xenosariinae
Subtaxa: Buchanathyris Collarothyris Didymothyris Dogdathyris Glassina Greenfieldia Jarovathyris Leptathyris Pseudoprotathyris Svetlania
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Devonian of Australia (14 collections), Canada (5: Northwest Territories, Nunavut), China (1), Czechia (6), Morocco (1), Poland (1), the Russian Federation (2), Ukraine (3), United States (26: Alaska, Nevada)
• Jaani of Estonia (1)
• Silurian of Belarus (1), Canada (6: Northwest Territories, Nunavut, Quebec), China (1), Czechia (15), Estonia (26), Lithuania (31), Norway (2), Poland (1), the Russian Federation (10), Sweden (5), Ukraine (13)
Total: 171 collections including 188 occurrences