Suborder:
|
Goniatitina
|
Superfamily:
|
Marathonitoidea
|
Family:
|
Marathonitidae
|
Genus:
|
Cardiella
|
Species:
|
vetusta |
Qualifier:
|
ss |
Author:
|
Bogoslovskaya 1978,p.60
|
Lower Boundary:
|
Gzhelian--Asselian [C--P], 299 million years
|
Upper Boundary:
|
Asselian--Sakmarian [ASS--SAK], 294.6 million years
|