Suborder:
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Goniatitina
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Superfamily:
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Pericycloidea
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Family:
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Muensteroceratidae
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Genus:
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Itimaites
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Species:
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parabolicus* |
Qualifier:
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ss |
Author:
|
Korn & Ebbighausen in Klug et al. 2006,p.15
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Lower Boundary:
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Bollandoc./Bollandit.--Beyrichoceras BZ, 334.5 million years
|
Upper Boundary:
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Up.Visean Goniatites BZ base [up.VIS], 333.5 million years
|