Suborder:
|
Tornoceratina
|
Superfamily:
|
Pseudohaloritoidea
|
Family:
|
Pseudohaloritidae
|
Subfamily:
|
Shouchangoceratinae
|
Genus:
|
Neoaganides
|
Species:
|
meitianensis |
Qualifier:
|
ss |
Author:
|
Zheng 1984,p.189
|
Lower Boundary:
|
Anderssonoceras/Prototoceras base, 260.4 million years
|
Upper Boundary:
|
Anderssonoc./Prototoc.--Araxoc./Kongl., 258 million years
|