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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Maeneceras
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Species:
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tenuistriatum |
Qualifier:
|
ss |
Author:
|
Bogoslovsky 1971,p.138
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Lower Boundary:
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P.delph.--low.Platyclym.annulata IIIb/IV, 367.6 million years
|
Upper Boundary:
|
UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
|