Suborder:
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Goniatitina
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Superfamily:
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Neoicoceratoidea
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Family:
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Metalegoceratidae
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Subfamily:
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Eothinitinae
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Genus:
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Eothinites |
Qualifier:
|
ge |
Author:
|
Ruzhencev 1933,p.169
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Lower Boundary:
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Sakmarian--Artinskian [SAK--ART], 284.4 million years
|
Upper Boundary:
|
Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
|