Trilobita - Ptychopariida - Agraulidae

Parent taxon: Agraulidae according to Z. Zhou and Y. Zhen 2008

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

Subtaxa: Plesiagraulos tienshihfuensis, Plesiagraulos transversus

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Ecology: fast-moving low-level epifaunal carnivore