The latest discovery of fossilized footprints made by four-legged vertebrates overthrows the evolutionary model for how land animals first emerged, says a biochemist.Per Ahlberg, a paleontologist at Uppsala University in Sweden, who led the new research, told CNN, "In the course of a single afternoon I found myself revising the entire understanding I had of my own research."
Rana believes the find basically throws a "monkey wrench" into the long-held evolutionary model.
"Transitional forms are appearing in the fossil record after the appearance of the forms that they presumably evolved into and that simply doesn't make any sense," Rana said. "You have to take fossil record at face value. Evidence has to match the story."...