Suborder:
|
Otoceratina
|
Family:
|
Araxoceratidae
|
Subfamily:
|
Konglingitinae |
Qualifier:
|
fs |
Author:
|
Zhao et al. 1978,p.98
|
Lower Boundary:
|
Anderssonoceras/Prototoceras base, 260.4 million years
|
Upper Boundary:
|
Sanyangites--Iranites/Phisonites, 253.8 million years
|