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1st Author:
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Moore, E.W.J. 
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2nd Author:
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3rd Author:
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Year:
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1946 | 
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Title:
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The Carboniferous goniatite genera Girtyoceras and Eumorphoceras. | 
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Reference:
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Proceedings of the Yorkshire Geological Society, 25: 387-445, 31 figs., pl.22-27; Wakefield. | 
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Keywords:
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L.Carbon.; Girtyoceras, Eumorp | 
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Link:
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