†suborder Corynexochina Kobayashi 1935 (trilobite)
Parent taxon: Corynexochida according to J. M. Adrain 2011
Sister taxa: Brylyella, Cheilocephalidae, Chondagraulos, Corynexochidacea, Corynexochoidea, Dolichometopidae, Granularapis, Granularaspidae, Hemibarrandiidae, Hunnanocephalus, Illaenidae, Illaenina, Illaenoidea, Leiostegiina, Phillipsinellidae, Styginidae, Xuigiella
Subtaxa: Chengkouiidae Corynexochidae Dinesidae Dorypygidae Edelsteinaspididae Jakutidae Oryctocephalidae Zacanthoididae
Ecology: nektobenthic carnivore