Pycnodus
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Extinct (fossil)
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Pycnodus is an extinct genus of ray-finned fish from the Cretaceous and Tertiary periods. It was about 12 cm (5 in) long.
Pycnodus looked very similar to the bigger Dapedium- it had the same grinding teeth and bulky shape. It probably had a similar lifestyle as well, eating shellfish, corals and sea urchins on coral reefs.
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