Rhynchonellata - Spiriferida - Elythidae
Parent taxon: Elythidae according to A. Williams et al. 2006
Sister taxa: Anomaloriinae, Elythinae, Martinothyridinae, Phricodothyridinae, Squamularia
Subtaxa: Plicotorynifer Spirelytha Stepanoviina Taimyrella Torynifer Toryniferella
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of Australia (36 collections), Canada (8: Nunavut, Yukon), China (7), India (1), Indonesia (1), Malaysia (4), Mongolia (2), Pakistan (3), the Russian Federation (25), Tajikistan (1), Thailand (6)
• Carboniferous of Canada (17: Alberta, Northwest Territories, Yukon), China (1), Mexico (2), the Russian Federation (1), United States (114: Alabama, Alaska, Arkansas, California, Idaho, Illinois, Indiana, Iowa, Kentucky, Montana, Nevada, New Mexico, Oklahoma, Utah, Virginia, Washington, Oregon, Idaho, Montana, Nevada, Utah, California, Wyoming)
• Devonian of Afghanistan (1), Canada (1: Alberta), Germany (2), the United Kingdom (2), United States (7: Arizona, New Mexico, Ohio)
Total: 242 collections including 247 occurrences