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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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Dimorphoceratidae
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Genus:
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Dimorphoceras?
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Species:
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carina |
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Qualifier:
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sn |
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Author:
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Phillips 1836,p.237
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Valid:
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not recognizable |
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Lower Boundary:
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Up.Visean Goniatites BZ base [up.VIS], 333.5 million years
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Upper Boundary:
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DER Go alpha 3--Go alpha 4 [13.00], 332 million years
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