Abstract

The detailed study of K/T sections in western Pyrenees, SE of the Iberian Peninsula and Tunisia demonstrate that Hedbergella hillebrandti previously thought to be restricted to the Lower Paleocene also occurs from the Upper Maastrichtian. This species originally attributed to the genus Globigerina is transferred in Hedbergella and is one of the planktonic foraminifers surviving the mass extinction of the K/T boundary.

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