Serra-Kiel, J., Hottinger, L., Caus, E., Drobne, K., Ferr andez, C., Jauhri, A.K., Less, G.,Pavlovec, R., Pignatti, J., Samso, J.M., Schaub, H., Sirel, E., Strougo, A., Tambareau, Y., Tosquella, J., Zakrevskaya, E., 1998. Larger foraminiferalbiostratigraphy of the Tethyan Paleocene and Eocene. Bull. Soci. Geol. Fr. 169 (2), 281-299.