Calyptoptomatida

Full reference: C. Duan. 1984. Small shelly fossils from the Lower Cambrian Xihaoping Formation the Shennongjia district, Hubei Province - hyoliths and fossil skeletons of unknown affinities. Bulletin of the Tianjin Institute of Geology and Mineral Resources 7:141-188

Parent taxon: Calyptoptomatida according to C. Duan 1984

Sister taxa: Adyshevitheca, Camerothecida, Globorilida, Kygmaeoceras, Neogloborilus, Persicithecidae, Phragmotheca, Quinquelithes, Stimulitheca

Subtaxa: Emeithecidae

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Ecology: epifaunal

Distribution: there are no occurrences of Cupithecina in the database

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