Did Horny Young Dinosaurs Cause Illusion of Separate Species?
@article{Stokstad2007DidHY, title={Did Horny Young Dinosaurs Cause Illusion of Separate Species?}, author={E. Stokstad}, journal={Science}, year={2007}, volume={318}, pages={1236 - 1236} }
SOCIETY OF VERTEBRATE PALEONTOLOGY MEETINGAt the Society of Vertebrate Paleontology's annual meeting, held here from 17 to 20 October, a researcher argued that what were thought to be two unique dinosaur species are in fact juveniles of different ages that would have grown up to be another species, bony-headed Pachycephalosaurus .