Suborder:
|
Paraceltitina
|
Superfamily:
|
Xenodiscoidea
|
Family:
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Pseudotirolitidae
|
Genus:
|
Pseudotirolites
|
Species:
|
dislobatus |
Qualifier:
|
ss |
Author:
|
Zheng 1981,p.110
|
Lower Boundary:
|
Pseudotir./Pleuron.--Rotodiscoceras beds, 252 million years
|
Upper Boundary:
|
Rotodiscoceras top, 251.5 million years
|