Oldest evidence of dinosaurs in footprints: Dinosaur lineage emerged soon after massive Permian extinction
Wednesday, October 6, 2010 - 12:30
in Paleontology & Archaeology
Scientists have found the oldest evidence of the dinosaur lineage -- fossilized tracks. Just one or two million years after the massive Permian-Triassic extinction, an animal smaller than a house cat walked across fine mud in what is now Poland.