Suborder:
|
Goniatitina
|
Superfamily:
|
Schistoceratoidea
|
Family:
|
Dunbaritidae |
Qualifier:
|
fy |
Author:
|
Miller & Furnish 1957,p.L67
|
Valid:
|
Dunbaritinae Miller & Furnish,1957 TAX5717 |
Lower Boundary:
|
U Atokan--Desmoinesian [ATO--DES], 308.6 million years
|
Upper Boundary:
|
U Virgilian--Asselian [C--P], 299 million years
|