The Cenomanian stage by Tröger, K, Kennedy, W, Burnett, J, Caron, M, Gale, A, Robaszynski, F

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

The Santonian stage and substages by Lamolda, M, Hancock, J, Burnett, J, Collom, C, Christensen, W, Dhondt, A, Gardin, S, Gräfe, K, Ion, J, Kauffman, E, Kennedy, W, Kopaevich, L, Lopez, G, Matsumoto, T, Mortimore, R, Silva, I, Robaszynski, F, Salaj, J, Summesberger, H, Toshimitsu, S, Tröger, K, Wagreich, M, Wood, C, Yazykova, E