Trilobita - Ptychopariida - Agraulidae

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

Sister taxa: Agaso, Agraulos, Benxiaspis, Chittidilla, Litavkaspis, Metagraulos, Parachittidilla, Paragraulos, Plesiagraulos, Poriagraulos, Proampyx, Protochittidilla, Pseudoeteraspis, Pseudoplesiagraulos, Qiannanagraulos, Skreiaspis, Tangshihlingia

Subtaxa: none

Ecology: fast-moving low-level epifaunal carnivore