Suborder:
|
Goniatitina
|
Superfamily:
|
Dimorphoceratoidea
|
Family:
|
Girtyoceratidae
|
Subfamily:
|
Girtyoceratinae
|
Genus:
|
Eumorphoceras
|
Species:
|
pseudobilingue A |
Qualifier:
|
sy |
Author:
|
Bisat 1928,pl.6
|
Valid:
|
Edmooroceras bisati Horn 1960 |
Lower Boundary:
|
Visean--Namurian/Serpukhovian [VIS--NAM], 326.4 million years
|
Upper Boundary:
|
DER lowest E1--E1 alpha, 326 million years
|