Stegosaurus plates provide first solid evidence that male, female dinosaurs looked different

Screen Shot 2015-04-28 at 2.24.03 PMThe discovery of a single anatomical difference between males and females of a species of Stegosaurus provides some of the most conclusive evidence that some dinosaurs looked different based on sex, according to new Princeton University research. Existing work had been inconclusive to the point that some paleontologists began to think that male and female dinosaurs did not differ physically from one another.