88463 - Top Huge OTODUS OBLIQUUS (mackerel shark) Tooth Paleocene Brittlestar absolutely conical and with a

absolutely conical and with a blunt tip

Many sellers that sell this fossils do not make a good precise taxonomic identification work

abundant in the Devonian of North Africa

Diagnostic characteristics of pterosaur claws:

88463 - Top Huge OTODUS OBLIQUUS (mackerel shark) Tooth Paleocene Brittlestar absolutely conical and with aOtudus 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 and vertebrae. As all the Elasmobranchii, the skeleton has a cartilaginous non osseous nature, what makes difficult its fossilization process. . The teeth of this