Suborder:
|
Tornoceratina
|
Superfamily:
|
Pseudohaloritoidea
|
Family:
|
Pseudohaloritidae
|
Subfamily:
|
Shouchangoceratinae
|
Genus:
|
Neoaganides |
Qualifier:
|
ge |
Author:
|
Plummer & Scott 1937,p.350
|
Lower Boundary:
|
RUS lower--upper Zhigulian, 305.9 million years
|
Upper Boundary:
|
Permian--Triassic (Induan base), 251 million years
|