Suborder:
|
Goniatitina
|
Superfamily:
|
Gastrioceratoidea
|
Family:
|
Glaphyritidae
|
Subfamily:
|
Fayettevilleinae
|
Genus:
|
Fayettevillea
|
Species:
|
friscoensis |
Qualifier:
|
ss |
Author:
|
Miller & Owen 1944,p.427
|
Lower Boundary:
|
UAR Upper Pitkin--Imo Formation, 321 million years
|
Upper Boundary:
|
UAR Imo Formation top, 318.1 million years
|