20774 - Top Huge 2.54 Inch Otodus obliquus Shark Tooth in Matrix Paleocene Plesiosaur teeth Everything else you see is

Everything else you see is the system of sensory lines (terrace ridges) that are already described in the article (1)

has been prepared as free-standing on the matrix

Sister taxa: Acastava

that's the reason for its pretty pink color

Trilobita - Corynexochida - Illaenidae

20774 - Top Huge 2.54 Inch Otodus obliquus Shark Tooth in Matrix Paleocene Plesiosaur teeth Everything else you see isIt is a tooth from an enormous shark species Otudus obliquus. It is preserved in its natural matrix. Its preservation is very good, with a premium quality enamel. Otudus is a genus belonging to the shark group known as mackerel sharks. It reigned the seas during the Paleocene and the Eocene (60 45 million years ago). It is a quite dominant species in the phosphate quarries in this sector of Morocco. This species has only been described via its teeth