Suborder:
|
Goniatitina
|
Superfamily:
|
Schistoceratoidea
|
Family:
|
Dunbaritidae
|
Genus:
|
Dunbarites
|
Species:
|
boardmani |
Qualifier:
|
ss |
Author:
|
Work & Mapes 2009, p. 409
|
Lower Boundary:
|
UTX Brad Fm.--Caddo Creek Fm., 304.7 million years
|
Upper Boundary:
|
UTX Caddo Creek Fm.--Graham Fm., 304.3 million years
|