Suborder:
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Goniatitina
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Superfamily:
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Goniatitoidea
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Family:
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Delepinoceratidae
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Genus:
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Platygoniatites
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Species:
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superior* |
Qualifier:
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ss |
Author:
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Ruzhencev & Bog. 1971,p.220
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Lower Boundary:
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RUS Nm1b2--Nm1c1,Fayettevillea-Delepinoc, 324 million years
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Upper Boundary:
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RUS Nm1c1--Nm1c2(uralicus--Del.bressoni), 322 million years
|