Suborder:
|
Goniatitina
|
Superfamily:
|
Adrianitoidea
|
Family:
|
Adrianitidae
|
Subfamily:
|
Adrianitinae
|
Genus:
|
Nevadoceras |
Qualifier:
|
ge |
Author:
|
Schiappa,Spinosa & Snyder 1995,p.1075
|
Lower Boundary:
|
Tastubian--Sterlitamakian [TAS--STE], 290 million years
|
Upper Boundary:
|
Aktastinian--Baigendzhinian [AKT--BAI], 282 million years
|