Suborder:
|
Tornoceratina
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Superfamily:
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Prionoceratoidea
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Family:
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Gattendorfiidae
|
Genus:
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Zadelsdorfia
|
Species:
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parapplanata |
Qualifier:
|
ss |
Author:
|
Sheng 1984,p.288
|
Lower Boundary:
|
low.Tournais.--mid.Tournais. [Tn1--Tn2], 357.5 million years
|
Upper Boundary:
|
Tournaisian--Visean [TOU--VIS], 345.3 million years
|