Suborder:
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Tornoceratina
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Superfamily:
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Praeglyphioceratoidea
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Family:
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Sporadoceratidae
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Genus:
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Sporadoceras
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Species:
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muensteri* |
Qualifier:
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ss |
Author:
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Buch 1832,p.173
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Lower Boundary:
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UD2G--UD2H:subvaric.-P.contiguum [12,60], 370.4 million years
|
Upper Boundary:
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UD4A--UD4B: dunkeri Zone base [15,55], 366.8 million years
|