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Remarks on the identification of the Albian/Cenomanian boundary and taxonomic clarification of the planktonic foraminifera index species globotruncanoides, brotzeni and tehamaensis

PETRIZZO, MARIA ROSE ; CARON, MICHÈLE ; PREMOLI SILVA, ISABELLA

In: Geological Magazine, 2015, vol. 152, no. 3, p. 521-536

Remarks on the identification of the Albian/Cenomanian boundary and taxonomic clarification of the planktonic foraminifera index species globotruncanoides, brotzeni and tehamaensis

Petrizzo, Maria Rose ; Caron, Michèle ; Silva, Isabella Premoli

In: Geological Magazine, 2015, vol. 152, no. 3, p. 521-536

The planktonic foraminifera assemblage across the Global Boundary Stratotype Section and Point (GSSP) for the base of the Cenomanian Stage defined at Mont Risou (Haute-Alpes in France) is here restudied to clarify the identification and stratigraphic distribution of Thalmanninella globotruncanoides ( = Rotalipora globotruncanoides Sigal, 1948) and Pseudothalmanninella tehamaensis ( =...