Suborder:
|
Otoceratina
|
Family:
|
Araxoceratidae
|
Subfamily:
|
Araxoceratinae
|
Genus:
|
Araxoceras
|
Species:
|
rotule |
Qualifier:
|
ss |
Author:
|
Chao & Liang 1965,p.1819
|
Lower Boundary:
|
Anderssonoc./Prototoc.--Araxoc./Kongl., 258 million years
|
Upper Boundary:
|
Araxoc./Konglingites--Sanyangites, 256 million years
|