Suborder:
|
Paraceltitina
|
Superfamily:
|
Xenodiscoidea
|
Family:
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Pleuronodoceratidae
|
Genus:
|
Pleuronodoceras
|
Species:
|
hubeiense |
Qualifier:
|
sn |
Author:
|
Xu 1977,p.578
|
Lower Boundary:
|
Pseudosteph./Tap.--Pseudotir./Pleuron., 252.5 million years
|
Upper Boundary:
|
Permian--Triassic (Induan base), 251 million years
|