Suborder:
|
Goniatitina
|
Superfamily:
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Goniatitoidea
|
Family:
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Agathiceratidae
|
Genus:
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Revilloceras |
Qualifier:
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gy |
Author:
|
Wagner-Gentis 1980,p.13
|
Valid:
|
Dombarites Librovich,1957,p.257 TAX4627 |
Lower Boundary:
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DER Go beta--gamma, granos.base [P1--P2], 328.2 million years
|
Upper Boundary:
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DER E2b--E2c(Cravenocerat.--Nuculoceras), 321 million years
|