Trilobita - Ptychopariida - Crepicephalidae

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

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

Subtaxa: Coosina ariston, Coosina kindlei

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Ecology: fast-moving low-level epifaunal carnivore