Suborder:
|
Tornoceratina
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Superfamily:
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Tornoceratoidea
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Family:
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Tornoceratidae
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Subfamily:
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Falcitornoceratinae
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Genus:
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Gundolficeras
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Species:
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escoti |
Qualifier:
|
ss |
Author:
|
Frech 1887,p.448
|
Lower Boundary:
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UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
|
Upper Boundary:
|
P.delph.--low.Platyclym.annulata IIIb/IV, 367.6 million years
|