Suborder:
|
Goniatitina
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Superfamily:
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Shumarditoidea
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Family:
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Eoshumarditidae
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Genus:
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Eoshumardites |
Qualifier:
|
ge |
Author:
|
Popov 1960,p.84
|
Lower Boundary:
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RUS Miachkovian--Zhigulian [MYA--ZHI], 306.5 million years
|
Upper Boundary:
|
Dunbar./Parashum.--Vidrioc./Shumardit.GZ, 303.9 million years
|