Suborder:
|
Goniatitina
|
Superfamily:
|
Schistoceratoidea
|
Family:
|
Schistoceratidae
|
Genus:
|
Branneroceras
|
Species:
|
perornatum |
Qualifier:
|
ss |
Author:
|
Yin 1935,p.25
|
Lower Boundary:
|
CNG Qixu 15--16, 313 million years
|
Upper Boundary:
|
CNG Qixu 16 top, 309.5 million years
|