Suborder:
|
Goniatitina
|
Superfamily:
|
Neoicoceratoidea
|
Family:
|
Metalegoceratidae
|
Subfamily:
|
Metalegoceratinae
|
Genus:
|
Metalegoceras
|
Species:
|
sunidukiensis |
Qualifier:
|
sy |
Author:
|
Voinova 1934,p.19
|
Valid:
|
Metalegoceras ajdaralense (Ruzh. 1933) |
Lower Boundary:
|
Aktastinian--Baigendzhinian [AKT--BAI], 282 million years
|
Upper Boundary:
|
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|