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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Sygambritidae
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Genus:
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Sygambrites
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Species:
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mundyi |
Qualifier:
|
ss |
Author:
|
Korn & Tilsley 2006,p.146
|
Lower Boundary:
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DER hudsoni--globostriat. [GBY:B2a--B2b], 332.5 million years
|
Upper Boundary:
|
Asbian--Brigantian [P1a--P1b] [ASB--BRI], 332 million years
|