Controversial claim puts life on land 65 million years early : Nature News & Comment:
"Some enigmatic fossils regarded as ancient sea creatures were land-dwelling lichen, argues a paper published today in Nature1. But other palaeontologists flatly reject the hypothesis, by Gregory Retallack, a geologist at the University of Oregon in Eugene. His paper not only marks a dramatic reinterpretation of the fossils but suggests life on land began 65 million years earlier than researchers now estimate."
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