Trilobita - Proetida - Proetidae
Parent taxon: Proetidae according to T. A. Vanderlaan and M. C. Ebach 2015
Sister taxa: Aayemenaytcheia, Astycoryphinae, Ceratoproetus, Chuanoproetus, Cornuproetinae, Dechenellinae, Drevermanniinae, Eodrevermanniinae, Hypaproetus, Lauchellum, Merebolina, Mirabolinae, Oidalaproetus, Ormistonia, Panibole, Paryfenus, Perliproetinae, Phaseolops, Phyllaspis, Plesiowensus, Prodiacoryphe, Proetidellinae, Proetinae, Schaderthalaspis, Silesiops, Sinobole, Triproetus, Warburgellinae, Xenocybe, Yanshanaspis, Yichangaspis
Subtaxa: Astroproetus Boliviproetus Crassiproetus Dechenellurus Elimaproetus Hedstroemia Mannopyge Monodechenella Raerinproetus Thebanaspis Winiskia
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Carboniferous of Australia (16 collections)
• Devonian of Canada (6: Ontario), China (5), Colombia (1), Germany (1), Kazakhstan (3), the Russian Federation (1), United States (36: Illinois, Indiana, Iowa, Michigan, New York, Virginia), Uzbekistan (1)
• Silurian of Canada (24: Northwest Territories, Nunavut, Ontario, Quebec, Yukon), Greenland (1), Japan (2), Sweden (2), the United Kingdom (13), United States (3: Illinois, Iowa), Uzbekistan (1)
• Ordovician of China (1), Norway (1), Sweden (1), the United Kingdom (5), United States (3: Illinois, Nevada)
Total: 127 collections including 151 occurrences