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Suborder:
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Goniatitina
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Superfamily:
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Cycloloboidea
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Family:
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Vidrioceratidae
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Genus:
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Martoceras
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Species:
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timorense forma gamma |
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Qualifier:
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ss |
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Author:
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Haniel 1915,p.97
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Lower Boundary:
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RIT Bitauni beds base, 275.6 million years
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Upper Boundary:
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RIT Bitauni beds top, 270.6 million years
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