Suborder:
|
Goniatitina
|
Superfamily:
|
Gastrioceratoidea
|
Family:
|
Glaphyritidae
|
Subfamily:
|
Stenoglaphyritinae |
Qualifier:
|
fs |
Author:
|
Ruzhencev & Bog. 1971,p.300
|
Lower Boundary:
|
UNV White Pine Shale base, 326.4 million years
|
Upper Boundary:
|
Diabol./Winsl--Paralego./Eowellerites GZ, 309.5 million years
|