Shaking some limbs on the tree of life: Ancient Australian fossils were on land, not at sea, geologist proposes
Wednesday, December 12, 2012 - 13:00
in Paleontology & Archaeology
Ancient multicellular fossils long thought to be ancestors of early marine life are remnants of land-dwelling lichen or other microbial colonies, says University of Oregon scientist Gregory Retallack, who has been studying fossil soils of South Australia.