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TaxNo: 3716Pseudotirolites kwangsiensis
Suborder: Paraceltitina
Superfamily: Xenodiscoidea
Family: Pseudotirolitidae
Genus: Pseudotirolites
Species: kwangsiensis
Qualifier: ss
Author: Chao & Liang 1966,p.2
Lower Boundary: Pseudosteph./Tap.--Pseudotir./Pleuron., 252.5 million years
Upper Boundary: Pseudotir./Pleuron.--Rotodiscoceras beds, 252 million years