Suborder:
|
Tornoceratina
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Superfamily:
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Pseudohaloritoidea
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Family:
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Pseudohaloritidae
|
Subfamily:
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Shouchangoceratinae
|
Genus:
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Neoaganides
|
Species:
|
sp.1 |
Qualifier:
|
of |
Author:
|
Frest et al. 1981,p.23
|
Lower Boundary:
|
UTX Kungurian/Leonardian base, 275.6 million years
|
Upper Boundary:
|
UTX Kungurian/Leonardian top, 270.6 million years
|