Trilobita - Corynexochida - Corynexochidae

Alternative spelling: Chatiania (Eochatiania)

Full reference: J. L. Yuan and G. Z. Yin. 1998. New polymerid trilobites from the Chefu Formation in early Late Cambrian of eastern Guizhou. Acta Palaeontologica Sinica 37(2):137-172

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

Sister taxa: Abakania, Bonnaspis, Chatiania, Corynexochinae, Corynexochus, Eocorynexochus, Hartshillia, Milaspis, Miranella, Sanaschtykgolia

Subtaxa: Eochatiania laevigata

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Ecology: nektobenthic carnivore