Macrorhizodus praecursor (Leriche, 1905)

EXAMINED MATERIAL. — Hundreds of isolated teeth, figured material includes FSAC Bouj-327, 328, 329 and 330.

DESCRIPTION

The more abundant complete and well-preserved teeth (Fig. 2 H-K) recovered in both localities (Locality I, Garouaz, Iddir and Laazri) belong to the lamnid Macrorhizodus praecursor . Central cusp is especially triangular in anterolateral files (e.g., Fig. 2J) with a flat labial face and a little convex lingual face.

REMARKS

This species, representing an extinct pelagic mako shark, is very abundant in all middle and late Eocene localities and distributed worldwide in the marine realm.