Suborder:
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Tornoceratina
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Superfamily:
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Prionoceratoidea
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Family:
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Gattendorfiidae
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Genus:
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Weyerella
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Species:
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molaris |
Qualifier:
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ss |
Author:
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Vöhringer 1960,p.158
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Lower Boundary:
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DER Acutimit.acutum--Paproth.dorsoplanus, 358.8 million years
|
Upper Boundary:
|
low.Tournais.--mid.Tournais. [Tn1--Tn2], 357.5 million years
|