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1st Author:
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Ruzhencev, Vasilii Ermolaevich 
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2nd Author:
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Bogoslovskaya, Margarita Fedorovna 
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| 
3rd Author:
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Year:
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1978 | 
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Title:
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Namyurskiy etap v evolyutsii ammonodey. Pozdnenamyurskiye ammonoidei. | 
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Reference:
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Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 167: 1-336, fig.1-108, pl.1-44; Moskva. | 
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Keywords:
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U.Carbon.; Bashkirian | 
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Link:
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