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TaxNo: 6416Pleuronodoceras dayenense
Suborder: Paraceltitina
Superfamily: Xenodiscoidea
Family: Pleuronodoceratidae
Genus: Pleuronodoceras
Species: dayenense
Qualifier: ss
Author: Yang & Yang 1992,p.601
Lower Boundary: Pseudotir./Pleuron.--Rotodiscoceras beds, 252 million years
Upper Boundary: Rotodiscoceras top, 251.5 million years