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Age of Fishes

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Noun1.Age of Fishes - from 405 million to 345 million years agoAge of Fishes - from 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites
Devonian, Devonian period
Paleozoic, Paleozoic era - from 544 million to about 230 million years ago
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When done correctly, using otoliths (ear bones that are produced in layers over time, like the rings in a tree's trunk) to determine the age of fishes is believed to be a generally reliable method, although age determinations based on otoliths do not always agree with aging studies based on other methods, such as counts of scale annuli.
Several scientists say Atlantic red snapper closure 'unwarranted' by Waldner Raymond E.; Chesnes, Thomas C. / Florida Sportsman
 
 
 
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