Fig 1. Geographical location and stratigraphy of the Kem Kem beds.

A, Location of Morocco (in black) in Africa (left corner), the Kem Kem and Tafilalt regions (in red) in Morocco (middle left), and the Kem Kem beds (in black) in the Kem Kem plateau (right). The dark blue star indicates the site of Jorf from which two quadrates were found; B, Stratigraphic column of the Kem Kem beds of South-Eastern Morocco. Stratigraphic position of the type remains of 1, Carcharodontosaurus saharicus (neotype; [3,23]); 2, Spinosaurus aegyptiacus (neotype; [22]); and 3, Deltadromeus agilis (holotype; [3]); and 4, probable stratigraphic position of two spinosaurid quadrates. Modified from Sereno et al. [3] and Ibrahim et al. [32].