Trilobita - Ptychopariida - Ptychopariidae

PaleoDB taxon number: 20720

Parent taxon: Ptychopariacea according to F. A. Sundberg and L. B. McCollum 2000

Sister taxa: Amecephalus, Eokochaspis, Kochina, Piochella

Subtaxa: Mexicella antelopea, Mexicella grandoculus, Mexicella mexicana, Mexicella robusta

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Ecology: fast-moving low-level epifaunal carnivore