Suborder:
|
Goniatitina
|
Superfamily:
|
Gastrioceratoidea
|
Family:
|
Glaphyritidae
|
Subfamily:
|
Glaphyritinae
|
Genus:
|
Glaphyrites
|
Species:
|
angusticameratus |
Qualifier:
|
sy |
Author:
|
Miller 1932,p.85
|
Valid:
|
Glaphyrites subtilicostatus (B.) TAX3099 |
Lower Boundary:
|
UTX Bursum Fm. base, 299 million years
|
Upper Boundary:
|
UTX Bursum Fm. top, 294.6 million years
|