Suborder:
|
Paraceltitina
|
Superfamily:
|
Xenodiscoidea
|
Family:
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Xenodiscidae
|
Genus:
|
Xenodiscus?
|
Species:
|
guangxiensis |
Qualifier:
|
sn |
Author:
|
Xu 1977,p.576
|
Lower Boundary:
|
Capitanian--Wuchiapingian [CAP--DZH], 260.4 million years
|
Upper Boundary:
|
Permian--Triassic (Induan base), 251 million years
|