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Suborder:
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Prolecanitina
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Superfamily:
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Medlicottioidea
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Family:
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Medlicottiidae
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Subfamily:
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Propinacoceratinae
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Genus:
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Bamyaniceras
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Species:
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baranovi |
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Qualifier:
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ss |
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Author:
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Tumanskaia 1949,p.79
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Lower Boundary:
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Kochusu Fm.,lower, lower--middel part, 270 million years
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Upper Boundary:
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TAP Shindyi Fm. top, 265.8 million years
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