Trilobita - Redlichiida - Redlichiidae

Parent taxon: Redlichiidae according to S. J. Li 1980

Sister taxa: Breviredlichia, Chengjiangaspis, Eoredlichia, Kuanyangia, Lemdadella, Leptoredlichia, Maopingaspis, Meitanella, Metaredlichia, Mianxianella, Ningqiangaspis, Pachyredlichia, Parazhenbaspis, Pseudoredlichia, Redlichiinae, Runnania, Spinoredlichia, Syndianella, Tolbinella, Wutingaspis, Yorkella, Zhenbaspis

Subtaxa: Chaoaspis ovatus, Chaoaspis palmeri, Chaoaspis sdzuyi, Chaoaspis semicircularis, Chaoaspis similis

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Type: Chaoaspis ovatus

Ecology: nektobenthic deposit feeder