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How long have amphibians been around?

amphibians
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How long have amphibians been around?

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Amphibians have been around for an estimated 350 million years. The earliest known frog appeared about 190 million years ago, during what is known as the late Jurassic period.

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Amphibians are the oldest land vertebrates. Ichthyostega was an amphibian species that lived in Greenland 362 million years ago.

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