Billion-year-old Chinese seaweed is oldest green plant fossil

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WASHINGTON: Scientists have spotted in rocks from northern China what may be the oldest fossils of a green plant ever found, tiny seaweed that ...

A green seaweed fossil from China dating back one billion years is seen using a microscopeWASHINGTON: Scientists have spotted in rocks from northern China what may be the oldest fossils of a green plant ever found, tiny seaweed that carpeted areas of the seafloor roughly a billion years ago and were part of a primordial revolution among life on Earth.

"Proterocladus antiquus is a close relative of the ancestor of all green plants alive today," said Qing Tang, a Virginia Tech post-doctoral researcher in paleobiology who detected the fossils in rock dug up in Liaoning Province near the city of Dalian and lead author of the study published in the journal Nature Ecology & Evolution.

Proterocladus is 200 million years older than the previous earliest-known green seaweed. One of its modern relatives is a type of edible seaweed called sea lettuce.

 

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