Suborder:
|
Goniatitina
|
Superfamily:
|
Dimorphoceratoidea
|
Family:
|
Eogonioloboceratidae
|
Genus:
|
Arcanoceras
|
Species:
|
furnishi |
Qualifier:
|
ss |
Author:
|
Saunders 1964,p.289
|
Lower Boundary:
|
UAR basal--lower shale of Fayetteville, 327 million years
|
Upper Boundary:
|
UAR Limest.--upper shale of Fayetteville, 324.8 million years
|