Suborder:
|
Goniatitina
|
Superfamily:
|
Neoicoceratoidea
|
Family:
|
Metalegoceratidae
|
Subfamily:
|
Metalegoceratinae
|
Genus:
|
Pseudoschistoceras |
Qualifier:
|
ge |
Author:
|
Teichert 1944,p.87
|
Lower Boundary:
|
Sakmarian--Artinskian [SAK--ART], 284.4 million years
|
Upper Boundary:
|
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|