Suborder:
|
Goniatitina
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Superfamily:
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Schistoceratoidea
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Family:
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Schistoceratidae
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Genus:
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Schistoceras
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Species:
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fultonense |
Qualifier:
|
ss |
Author:
|
Miller & Gurley 1896,p.39
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Lower Boundary:
|
U Missourian--Virgilian [MIS--VIR], 305 million years
|
Upper Boundary:
|
Gzhelian--Asselian [C--P], 299 million years
|