Suborder:
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Goniatitina
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Superfamily:
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Dimorphoceratoidea
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Family:
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Girtyoceratidae
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Subfamily:
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Girtyoceratinae
|
Genus:
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Edmooroceras
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Species:
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artumbilicatum |
Qualifier:
|
ss |
Author:
|
Ruzhencev & Bog. 1971,p.178
|
Lower Boundary:
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RUS Nm1a1 base, Hypergon.-Ferganoc. GZ, 327.8 million years
|
Upper Boundary:
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RUS Nm1b1--Nm1b2 (Domb.carinat.--tectus), 324.6 million years
|