Presence de Chitinozoaires dans les calcaires siluro-devoniens de la Sierra Negra (Pyrenees centrales espagnoles) |
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Authors: | Jean-Marie Degardin Florentin Paris |
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Abstract: | A stratigraphical and paleontological study of the Silurian in the Benasque area of the high Pyrenees has made it possible to assign an Upper Pridolian age to certain limestones which occur near the top of a thick and monotonous serie of black shales. These limestones yeiled some remarkably well preserved chitinozoa together with some conodonts, orthocerases and pelecypods. |
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