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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Agathiceratidae
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Genus:
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Proshumardites
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Species:
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sp. |
Qualifier:
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of |
Author:
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Ruzhencev & Bog. 1971,p.239
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Lower Boundary:
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RUS Nm1c1--Nm1c2(uralicus--Del.bressoni), 322 million years
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Upper Boundary:
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RUS Nm1c2--Nm2a1, Homoc.-Hudsonoc.GZ, 318.1 million years
|