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Bio stratigraphic notes on a community of echinoids in the upper cretaceous of san martin amescoa baja navarra spain


, : Bio stratigraphic notes on a community of echinoids in the upper cretaceous of san martin amescoa baja navarra spain. Munibe 35(1-2): 29-34

A deposit rich in echinoids of the Upper Santoniense in San Martin (Navarran, Spain) is described. The community of Micraster coranguinum, which is the prevailing species in these deposits is studied in detail.

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