New analyses of dinosaur growth may wipe out one-third of species

Not three different species, but stages of the same species.
Image: Holly Woodward/Montana State University

New analyses of North American dome-headed dinosaurs by paleontologists from the University of California, Berkeley, and the Museum of the Rockies has suggested that one-third of all named dinosaur species may never have existed, but are merely different stages in the growth of other known dinosaurs.