Suborder:
|
Goniatitina
|
Superfamily:
|
Neoicoceratoidea
|
Family:
|
Paragastrioceratidae
|
Subfamily:
|
Pseudogastrioceratinae
|
Genus:
|
Pseudogastrioceras
|
Species:
|
kwangsiense |
Qualifier:
|
sy |
Author:
|
Xu & Wei 1977,p.566
|
Valid:
|
Pseudogastrioceras guangxiense TAX3601 |
Lower Boundary:
|
Anderssonoceras/Prototoceras base, 260.4 million years
|
Upper Boundary:
|
Rotodiscoceras top, 251.5 million years
|