Suborder:
|
Goniatitina
|
Superfamily:
|
Pericycloidea
|
Family:
|
Intoceratidae
|
Genus:
|
Aquilonites
|
Species:
|
uralensis |
Qualifier:
|
ss |
Author:
|
Popov & Kuzina 1997,p.32
|
Lower Boundary:
|
low.Tournais.--mid.Tournais. [Tn1--Tn2], 357.5 million years
|
Upper Boundary:
|
mid.Tournais.--up.Tournaisian [Tn2--Tn3], 353 million years
|