Suborder:
|
Goniatitina
|
Superfamily:
|
Neoicoceratoidea
|
Family:
|
Metalegoceratidae
|
Subfamily:
|
Eothinitinae
|
Genus:
|
Eothinites
|
Species:
|
aktastensis |
Qualifier:
|
ss |
Author:
|
Ruzhencev 1933,p.171
|
Lower Boundary:
|
Aktastinian--Baigendzhinian [AKT--BAI], 282 million years
|
Upper Boundary:
|
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|