Suborder:
|
Goniatitina
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Superfamily:
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Neoicoceratoidea
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Family:
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Paragastrioceratidae
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Subfamily:
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Paragastrioceratinae
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Genus:
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Uraloceras
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Species:
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kolymense |
Qualifier:
|
ss |
Author:
|
Bogoslovskaya & Boiko 2002, p.602
|
Lower Boundary:
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Sakmarian--Artinskian [SAK--ART], 284.4 million years
|
Upper Boundary:
|
Aktastinian--Baigendzhinian [AKT--BAI], 282 million years
|