3.7cm Sand Shark Tooth Fossil

There are 3 species within the Striatolamia genus. S. macrota anterior teeth have smaller roots than S. striata. The teeth of striata are generally smaller (13 to 51 mm) than macrota (19 to 38 mm). These extinct sharks lived from the Early Paleocene to Late Miocene (61.7 to 10.3 Mya). They could measure up to 11.6 inches long and swam in waters with low salinity. Fossilized teeth and vertebrae are found all over the world. The current day Sand Tiger Shark  is listed as a vulnerable species due to overfishing.

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