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| What are Taxonomy and Cladistics? |
Zoom Sharks Shark Classification |
Extinct Sharks |
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| Squatiniformes Angel sharks |
Pristiophoriformes Sawsharks |
Squaliformes Dogfish sharks |
Carcharhiniformes Ground sharks |
| Lamniformes Mackerel sharks |
Orectolobiformes Carpetsharks |
Heterodontiformes Bullhead sharks |
Hexanchiformes Frilled and cow sharks |
Sharks teeth are the most likely part of its body to fossilize since they're composed of bone. Many fossilized sharks teeth have been found, including that of megalodon. Megalodon (Carcharodon megalodon) was an ancient, meat-eating shark, living between 5-1.6 million years ago; it is extinct. It was up to 40 feet (12 m) long, but this is only an estimate from fossil teeth that have been found. Its teeth resemble those of the great white shark but are almost 3 times larger.
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