Otodus Obliquus Shark Tooth Fossil

Natural Otodus Obliquus Shark Tooth Fossil from Khouribga, Morocco

Size:  46mm x 46mm x 14mm Approximately

Weight:  20 gram 

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Otodus is an extinct genus of mackerel shark which lived from the Paleocene to the Miocene epoch. The name Otodus comes from Ancient Greek   (t, meaning "ear") and (odos, meaning "tooth") thus, "ear-shaped tooth".

This shark is known from its fossilized teeth and vertebral centra. Like other elasmobranchs, the skeleton of Otodus was composed of cartilage and not bone, resulting in relatively few preserved skeletal structures appearing within the fossil record. The teeth of this shark are large with triangular crown, smooth cutting edges, and visible cusps on the roots. Some Otodus teeth also show signs of evolving serrations.

The fossils of Otodus indicate that it was an exceptionally large macro-predatory shark. The largest known teeth measure about 104 millimetres in height. The vertebral centrum of this shark are over 12.7 cm wide. Scientists suggest that this shark at least reached 9.1 meters in total length with a maximum length of 12.2 meters.