Suborder:
|
Goniatitina
|
Superfamily:
|
Gonioloboceratoidea
|
Family:
|
Wiedeyoceratidae
|
Genus:
|
Wiedeyoceras
|
Species:
|
xiaheyianense |
Qualifier:
|
sn |
Author:
|
Yang 1987,p.158
|
Lower Boundary:
|
Serpukhovian--Bashkirian [SPK--BSH], 318.1 million years
|
Upper Boundary:
|
Bashkirian--Moscovian [BSH--MOS], 311.7 million years
|