380m-year-old ‘beautifully preserved’ fish heart is oldest ever found

380m-year-old ‘beautifully preserved’ fish heart is oldest ever found

A reconstruction of the heart of a jawed fish that lived around 380 million years ago (Trinajstic et al/Science)

Scientists believe they have discovered what could be the oldest heart ever, dating back 380 million years.

The muscular organ comes from a fossilised jawed fish that swam in the waters during the Devonian period, between 419 million and 359 million years ago.

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