Oldest fossil rodents in South America discovered; Find is 10 million years older and confirms animals from Africa
Wednesday, October 12, 2011 - 08:30
in Paleontology & Archaeology
An international team of researchers have found the oldest rodent fossils in South America. The find confirms the animals origin in Africa and contradicts the conclusion that they spread from south to north, which was deduced from the fossil record just 20 years ago.