Trilobita - Ptychopariida - Conocoryphidae

Parent taxon: Conocoryphidae according to J. Yang et al. 1993

Sister taxa: Bailiaspis, Bailiella, Conocoryphe, Ctenocephalus, Elyx, Hartella, Parabailiella, Tchaiaspis

Subtaxa: Holocephalina chinensis, Holocephalina trapezia

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Ecology: fast-moving low-level epifaunal carnivore