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07330 - Top Huge OTODUS OBLIQUUS (mackerel shark) Tooth Paleocene Bismuth Chondrichthyes - Orectolobiformes - Ginglymostomatidae

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Description

Chondrichthyes - Orectolobiformes - Ginglymostomatidae

United States (2: Arizona

Without doubt this is a perfect example of the dentition of the fearsome Otudus obliquus

terrestrial (10)

calcium may be partly replaced by thorium

07330 - Top Huge OTODUS OBLIQUUS (mackerel shark) Tooth Paleocene Bismuth Chondrichthyes - Orectolobiformes - GinglymostomatidaeIt has some glued fractures. 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 and vertebrae. As all the Elasmobranchii, the skeleton has a cartilaginous non osseous nature, what makes difficult its fossilization

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