| 
                                    
                                        gptkbp:instanceOf
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:dinosaur
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:behavior
                                    
                                 | 
                                
                                    
                                        
                                            
                                            herding
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:characteristic
                                    
                                 | 
                                
                                    
                                        
                                            
                                            duck-billed snout
                                        
                                        
                                         
                                    
                                        
                                            
                                            crested or uncrested skulls
                                        
                                        
                                         
                                    
                                        
                                            
                                            dental battery
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:commonName
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:duck-billed_dinosaurs
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:diet
                                    
                                 | 
                                
                                    
                                        
                                            
                                            herbivorous
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:distribution
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Asia
                                        
                                         
                                    
                                        
                                            gptkb:Europe
                                        
                                         
                                    
                                        
                                            gptkb:North_America
                                        
                                         
                                    
                                        
                                            gptkb:South_America
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:extinct
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:firstAppearance
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Late_Cretaceous
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:fossilRange
                                    
                                 | 
                                
                                    
                                        
                                            
                                            100–66 million years ago
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:laysEggs
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:locomotion
                                    
                                 | 
                                
                                    
                                        
                                            
                                            bipedal
                                        
                                        
                                         
                                    
                                        
                                            
                                            quadrupedal
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:namedFor
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Edward_Drinker_Cope
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:nesting
                                    
                                 | 
                                
                                    
                                        
                                            
                                            some genera nested in colonies
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:notableMember
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Edmontosaurus
                                        
                                         
                                    
                                        
                                            gptkb:Gryposaurus
                                        
                                         
                                    
                                        
                                            gptkb:Parasaurolophus
                                        
                                         
                                    
                                        
                                            gptkb:Maiasaura
                                        
                                         
                                    
                                        
                                            gptkb:Corythosaurus
                                        
                                         
                                    
                                        
                                            gptkb:Lambeosaurus
                                        
                                         
                                    
                                        
                                            gptkb:Saurolophus
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:order
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Ornithischia
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:range
                                    
                                 | 
                                
                                    
                                        
                                            
                                            7–15 meters
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:skin
                                    
                                 | 
                                
                                    
                                        
                                            
                                            scaly
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:subfamily
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Saurolophinae
                                        
                                         
                                    
                                        
                                            gptkb:Ornithopoda
                                        
                                         
                                    
                                        
                                            gptkb:Lambeosaurinae
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:typeSpecies
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Hadrosaurus
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:yearNamed
                                    
                                 | 
                                
                                    
                                        
                                            
                                            1869
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsParent
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Late_Cretaceous_period
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsLayer
                                    
                                 | 
                                
                                    
                                        
                                            
                                            5
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        https://www.w3.org/2000/01/rdf-schema#label
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Hadrosauridae
                                        
                                        
                                         
                                    
                                 |