Suborder:
|
Goniatitina
|
Superfamily:
|
Pericycloidea
|
Family:
|
Muensteroceratidae
|
Genus:
|
Karakoramoceras |
Qualifier:
|
gy |
Author:
|
Miller 1931,p.422
|
Valid:
|
Muensteroceras Hyatt,1884,p.326 |
Lower Boundary:
|
UAR Walls Ferry Fm. base, 356 million years
|
Upper Boundary:
|
Fascip./Ammon.--Bollandoc./Bollandit. BZ, 345.3 million years
|