Suborder:
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Agoniatitina
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Superfamily:
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Mimoceratoidea
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Family:
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Teicherticeratidae
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Subfamily:
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Teicherticeratinae
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Genus:
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Gracilites
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Species:
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svetlanae+ |
Qualifier:
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ss |
Author:
|
Bogoslovsky 1972,p.47
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Lower Boundary:
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Zlichovian--Dalejan (l.--u.Ems.) [14,20], 404 million years
|
Upper Boundary:
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Emsian--Eifelian [dm96:00,00] [EMS--EIF], 397.5 million years
|