Trilobita - Ptychopariida - Estaingiidae

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

Sister taxa: Alanisia, Eomalungia, Estaingia, Ichangia, Paraichangia, Pararaia, Shifangia, Sichuanolenus, Szechuanolenus

Subtaxa: Pseudichangia damiaoensis

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Type: Ichangia damiaoensis

Ecology: fast-moving low-level epifaunal carnivore