Dating sheds new light on dawn of the dinosaurs
Monday, January 24, 2011 - 16:32
in Paleontology & Archaeology
Careful dating of new dinosaur fossils and volcanic ash around them by researchers from UC Davis and UC Berkeley casts doubt on the idea that dinosaurs appeared and opportunistically replaced other animals. Instead -- at least in one South American valley -- they seem to have existed side by side and gone through similar periods of extinction.
