Ammonites at the Cenomanian-Turonian boundary in the Sergipe Basin, Brazil por Gale, A, Bengtson, P, Kennedy, W

Stratigraphic correlation by microfacies of the Cenomanian- Coniacian of the Sergipe Basin, Brazil / por Berthou, P. Y. (Pierre Yves), Bengtson, P.

Coniacian ammonites from James Ross Island, Antarctica por Kennedy, W, Crame, J, Bengtson, P, Thomson, M

The Turonian stage and substage boundaries por Bengtson, P, Cobban, W, Dodsworth, P, Gale, A, Kennedy, W, Lamolda, M, Matsumoto, T, Reyment, R, Seibertz, E, Tröger, K