Trilobita - Ptychopariida - Crepicephalidae

Parent taxon: Crepicephalidae according to P. A. Jell and J. M. Adrain 2003

Sister taxa: Bagongshania, Coosia, Coosina, Coosinoides, Crepicephalina, Crepicephalus, Hsuchuangia, Idioura, Sinocoosella, Uncaspis, Zaozhuangaspis

Subtaxa: none

Ecology: fast-moving low-level epifaunal carnivore