Suborder:
|
Goniatitina
|
Superfamily:
|
Gastrioceratoidea
|
Family:
|
Reticuloceratidae
|
Subfamily:
|
Reticuloceratinae
|
Genus:
|
Agastrioceras
|
Species:
|
langenbrahmi |
Qualifier:
|
sy |
Author:
|
Wedekind 1914,p.17
|
Valid:
|
Agastrioceras subcrenatum (Frech 1899) |
Lower Boundary:
|
Yeadonian--Langsettian, Westph.A [YEA--, 313 million years
|
Upper Boundary:
|
Langsettian--Duckmantian, Westphal.A--B, 311.3 million years
|