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TaxNo: 3268Xenodiscus carbonarius+
Suborder: Paraceltitina
Superfamily: Xenodiscoidea
Family: Xenodiscidae
Genus: Xenodiscus
Species: carbonarius+
Qualifier: ss
Author: Waagen 1872,p.355
Lower Boundary: PAK Chhidru Fm. base, 260.4 million years
Upper Boundary: PAK Chhidru Fm. top, 253 million years