†subfamily Diacoryphinae Hahn 2022 (trilobite)
Artiopoda - Proetida - Proetidae
Parent taxon: Proetidae according to D. K. Brezinski 2025
Sister taxa: Aayemenaytcheia, Astycoryphinae, Ceratoproetus, Chlupaculinae, Chuanoproetus, Conophillipsiinae, Cornuproetinae, Crassiproetinae, Dechenellinae, Drevermanniinae, Eodrevermanniinae, Hypaproetus, Lauchellum, Menorcaspidinae, Merebolina, Mirabolinae, Oidalaproetus, Ormistonia, Panibole, Paryfenus, Perliproetinae, Phaseolops, Phyllaspis, Plesiowensus, Prodiacoryphe, Proetidellinae, Proetinae, Schaderthalaspis, Silesiops, Sinobole, Warburgellinae, Xenocybe, Yanshanaspis, Yichangaspis
Subtaxa: none
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution: there are no occurrences of Diacoryphinae in the database