Trilobita - Proetida - Proetidae
Parent taxon: Proetoidea according to V. Bault et al. 2021
See also Adrain 2011, Chatterton and Perry 1977, Fortey and Bruton 2013, Harrington and Leanza 1957, Naylor 1979, Owens 2003, Owens 2004 and Sepkoski 1998
Sister taxa: Phillipsiidae, Rorringtoniidae, Scharyiidae, Tropidocoryphidae
Subtaxa: Aayemenaytcheia Astycoryphinae Ceratoproetus Chuanoproetus Cornuproetinae Crassiproetinae Dechenellinae Drevermanniinae Eodrevermanniinae Hypaproetus Lauchellum Merebolina Mirabolinae Oidalaproetus Ormistonia Panibole Paryfenus Perliproetinae Phaseolops Phyllaspis Plesiowensus Prodiacoryphe Proetidellinae Proetinae Schaderthalaspis Silesiops Sinobole Triproetus Tropidocoryphinae Warburgellinae Xenocybe Yanshanaspis Yichangaspis
Ecology: fast-moving low-level epifaunal deposit feeder