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Suborder:
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Goniatitina
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Superfamily:
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Neoglyphioceratoidea
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Family:
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Neoglyphioceratidae
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Genus:
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Neoglyphioceras
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Species:
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suerlandense |
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Qualifier:
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ss |
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Author:
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Korn 1988,p.158
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Lower Boundary:
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DER rotundum--Go beta suerlandense, 328.4 million years
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Upper Boundary:
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DER Go beta--gamma, granos.base [P1--P2], 328.2 million years
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