Suborder:
|
Goniatitina
|
Superfamily:
|
Neoicoceratoidea
|
Family:
|
Paragastrioceratidae
|
Subfamily:
|
Paragastrioceratinae
|
Genus:
|
Uraloceras
|
Species:
|
subgerkeni |
Qualifier:
|
sy |
Author:
|
Ruzhencev 1936,p.1080
|
Valid:
|
Uraloceras involutum (Voinova) TAX3835 |
Lower Boundary:
|
Sakmarian--Artinskian [SAK--ART], 284.4 million years
|
Upper Boundary:
|
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|