†family Oryctocephalidae Beecher 1897 (trilobite)
PaleoDB taxon number: 95230
Parent taxon: Corynexochina according to J. M. Adrain 2011
Sister taxa: Chengkouiidae, Corynexochidae, Dinesidae, Dolichometopidae, Dorypygidae, Edelsteinaspididae, Jakutidae, Zacanthoididae
Subtaxa: Arthricocephalus, Changaspis, Cheiruroides, Cheiruroididae, Curvoryctocephalus, Duyunaspis, Euarthricocephalus, Feilongshania, Goldfieldia, Hunanocephalus, Kunshanaspis, Lancastria, Metabalangia, Metarthricocephalus, Opsiosoryctocephalus, Oryctocara, Oryctocarinae, Oryctocephalina, Oryctocephalinae, Oryctocephaloides, Oryctocephalops, Paleooryctocephalus, Parachangaspis, Protoryctocephalus, Sandoveria, Shabaella, Shergoldiella, Thoracocare, Tonkinella
Type: Oryctocephalus
Ecology: nektobenthic carnivore