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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insolitus |
Qualifier:
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ss |
Author:
|
Nikolaeva 1994,p.77
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Lower Boundary:
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RUS Nm1b2--Nm1c1,Fayettevillea-Delepinoc, 324 million years
|
Upper Boundary:
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RUS Nm1c2--Nm2a1, Homoc.-Hudsonoc.GZ, 318.1 million years
|