Characterization and astronomically calibrated age of the first occurrence of Turborotalia frontosa in the Gorrondatxe section, a prospective Lutetian GSSP: Implications for the Eocene time scale

1. Payros, A.
2. Orue-Etxebarria, X.
3. Bernaola, G.
4. Apellaniz, E.
5. Dinarès-Turell, J.
6. Tosquella, J.
7. Caballero, F.