Ancient fossils found in South Australia lived on land, argues one researcher, whose controversial claim has huge implications for the tree of life.
Professor Gregory Retallack of the University of Oregon, reports his findings today in the journal Nature.
“This discovery has implications for the tree of life, because it removes Ediacaran fossils from the ancestry of animals,” says Retallack, who is originally from Australia.
The Ediacaran period ended around 540 million years ago, just before the Cambrian period, which saw a massive explosion in marine animal life.
Since Ediacaran fossils were first discovered in South Australia they have been generally regarded as marine invertebrates and an evolutionary precursor to the Cambrian marine explosion.
But now, Retallack has thrown the cat
http://www.abc.net.au/science/articles/2012/12/13/3653112.htm?topic=ancient&WT.svl=healthscience3