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Unformatted text preview: Pliocene epochs of the Cenozoic Era, between 2 million and 16 million years ago. Little is known for sure about these giant predators because all that remains of their existence are fossilized teeth. But what teeth they are! These giant shark teeth range in size from 3 inches long to 7 inches long. They are massive things that can be bigger than a mans hand. It sets the imagination reeling. To put this in perspective a large great white shark measures about 20 feet long and weighs a little over 2 tons. A tooth from a shark like this is about 1.5 inches long. The fossilized teeth are all that remains of this monster because sharks do not have bones. Their skeleton is made up of cartilage. This is what your ears and nose are made from. Cartilage does not fossilize well. The white shark is its closest living relative. This is well accepted but sets the stage for debate over the family tree...
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This note was uploaded on 11/22/2011 for the course GLY GLY1100 taught by Professor Jaymuza during the Spring '10 term at Broward College.
- Spring '10