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Suborder:
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Tornoceratina
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Superfamily:
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Prionoceratoidea
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Family:
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Prionoceratidae
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Subfamily:
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Acutimitoceratinae
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Genus:
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Acutimitoceras
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Subgenus:
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Acutimitoceras
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NomSpecies:
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acutum
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Species:
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oxynotum |
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Qualifier:
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ss |
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Author:
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Bartzsch & Weyer 1996,p.96
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Lower Boundary:
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Acut.prorsum--A.acutum/G.subinvoluta, 359.2 million years
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Upper Boundary:
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DER Acutimit.acutum--Paproth.dorsoplanus, 358.8 million years
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