Tiny Chinese seaweed is oldest green plant fossil ever found
(The Guardian China)

Proterocladus antiquus carpeted seafloor 1bn years ago and was size of rice grainScientists have found 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 1bn years ago and were part of a primordial revolution among life on Earth.Researchers on Monday said the plant, called Proterocladus antiquus, was about the size of a rice grain and boasted numerous thin branches, thriving in shallow water while attached to the seafloor with a root-like structure. Related: Ancient fossil `may prove scorpion was first land-dwelling animal` Continue reading...