"Early dinosaurs" refers to the first group of dinosaurs that appeared on Earth millions of years ago. These were the ancestors of the more well-known dinosaurs like Tyrannosaurus rex and Triceratops. Full definition
In that case, he says, the technique could be used to study even earlier dinosaur fossils. (sciencemag.org)
A new hypothesis of dinosaur relationships and early dinosaur evolution. (sciencenews.org)
«There is currently great uncertainty about early dinosaur relationships and the basic structure of the dinosaur family tree,» the researchers concluded. (sciencenews.org)