Check the listing for details. Fossil Shark Tooth Carcharodon Hastalis (Netherlands - 5.8 Centimeters - 104 **). Condition: Used. Listed at 93.77 USD. What you see in the photo is what you will receive at home All my fossils, meteorites and others are guaranteed authentic and come from private collections or professional dealers in compliance with legislation. The bigtooth mako shark or simply the giant mako shark (Carcharodon hastalis or Cosmopolitodus hastalis) is an extinct species of Lamniformes sharks belonging to the genus Carcharodon Its teeth can reach lengths of up to 7.5 cm and are found throughout the world. It is believed to be an ancestor of the great white shark, a fact exemplified by the transitional species Carcharodon hubbelli, and probably one of the top predators in its ecosystem; preying on small whales and other mammals. Carcharodon hastalis lived from the Eocene to the Pliocene I have a large selection in my Ebay.