Suborder:
|
Goniatitina
|
Superfamily:
|
Schistoceratoidea
|
Family:
|
Welleritidae
|
Subfamily:
|
Welleritinae
|
Genus:
|
Aqishanoceras
|
Species:
|
bellum+ |
Qualifier:
|
ss |
Author:
|
Wang 1981,p.473
|
Lower Boundary:
|
RUS Branner./Gastr.--Diabol./Winslow. GZ, 311.7 million years
|
Upper Boundary:
|
Duckmantian--Bolsovian, Westphal.B--C, 310.6 million years
|