 Also, it indicates that ceratopsians acquired some of their distinctive features earlier and more rapidly than was previously recognized," Makovicky said.Ironically, the diminutive "Liaoceratops" may also help scientists understand the roles of horns and frills in ceratopsian dinosaurs.First thought of as offensive or defensive organs, these structures are seen by many paleontologists today as display devices used in species recognition and to attract mates.