Suborder:
|
Tornoceratina
|
Superfamily:
|
Pseudohaloritoidea
|
Family:
|
Pseudohaloritidae
|
Subfamily:
|
Shouchangoceratinae
|
Genus:
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Neoaganides
|
Species:
|
paulus |
Qualifier:
|
ss |
Author:
|
Zhao et al. 1978,p.72
|
Lower Boundary:
|
Anderssonoceras/Prototoceras base, 260.4 million years
|
Upper Boundary:
|
Anderssonoc./Prototoc.--Araxoc./Kongl., 258 million years
|