Trilobita - Asaphida - Ceratopygidae
Parent taxon: Ceratopygidae according to J.-S. Bao and J.B. Jago 2000
Sister taxa: Aplotaspis, Asiocephalus, Ceratopyge, Charchaqia, Diceratopyge, Dichelepyge, Haniwoides, Hedinaspis, Hunanopyge, Hysterolenus, Macropyge, Nannopeltis, Onychopyge, Pseudohysterolenus, Pseudoyuepingia, Tamdaspis, Tropidopyge, Yuepingia, Yuepingioides
Subtaxa: Proceratopyge (Lopnorites), Proceratopyge (Sinoproceratopyge), Proceratopyge conifrons, Proceratopyge cylindrica, Proceratopyge distensa, Proceratopyge fenghwangensis, Proceratopyge fuyangensis, Proceratopyge incondita, Proceratopyge longa, Proceratopyge mirabilis, Proceratopyge promisca, Proceratopyge protracta, Proceratopyge tenuita, Proceratopyge truncata, Proceratopyge waergangensis, Proceratopyge zhejiangensis
Type: Proceratopyge conifrons
Ecology: fast-moving low-level epifaunal deposit feeder