Suborder:
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Goniatitina
|
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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Pseudogastrioceratinae
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Genus:
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Chekiangoceras
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Species:
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sp. |
Qualifier:
|
in |
Author:
|
div. authors
|
Lower Boundary:
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Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|
Upper Boundary:
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Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
|