Turn back the molecular clock, say Argentina's plant fossils
Tuesday, December 2, 2014 - 09:30
in Paleontology & Archaeology
Molecular clocks—based on changes in genetic material—indicate much younger ages for a wide variety of plants found as fossils in southern Argentina than do the solid, geologic dates of those fossils, according to geoscientists who surveyed recent paleobotanical discoveries in Patagonia.