Statements (23)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:geological_formation
                                        
                                         | 
                            
| gptkbp:contains | 
                                    
                                        
                                            
                                            marine fossils
                                        
                                        
                                         | 
                            
| gptkbp:definedIn | 
                                    
                                        
                                            gptkb:Alcide_d'Orbigny
                                        
                                         | 
                            
| gptkbp:definitionYear | 
                                    
                                        
                                            
                                            1844
                                        
                                        
                                         | 
                            
| gptkbp:endDate | 
                                    
                                        
                                            
                                            157.3 million years ago
                                        
                                        
                                         | 
                            
| gptkbp:followedBy | 
                                    
                                        
                                            gptkb:Callovian_stage
                                        
                                         | 
                            
| gptkbp:location | 
                                    
                                        
                                            gptkb:Oxford,_England
                                        
                                         | 
                            
| gptkbp:namedAfter | 
                                    
                                        
                                            gptkb:Oxford
                                        
                                         | 
                            
| gptkbp:partOf | 
                                    
                                        
                                            gptkb:Late_Jurassic
                                        
                                         | 
                            
| gptkbp:precededBy | 
                                    
                                        
                                            
                                            Kimmeridgian stage
                                        
                                        
                                         | 
                            
| gptkbp:rank | 
                                    
                                        
                                            gptkb:theatre
                                        
                                         | 
                            
| gptkbp:relatedTo | 
                                    
                                        
                                            
                                            Upper Malm
                                        
                                        
                                         | 
                            
| gptkbp:startDate | 
                                    
                                        
                                            
                                            163.5 million years ago
                                        
                                        
                                         | 
                            
| gptkbp:stratigraphicUnitOf | 
                                    
                                        
                                            gptkb:Jurassic_System
                                        
                                         | 
                            
| gptkbp:timespan | 
                                    
                                        
                                            
                                            about 6.2 million years
                                        
                                        
                                         | 
                            
| gptkbp:usedIn | 
                                    
                                        
                                            gptkb:International_Chronostratigraphic_Chart
                                        
                                         European stratigraphy global stratigraphy  | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:Anchiornis
                                        
                                         gptkb:Yi_qi gptkb:Kimmeridgian-Tithonian_stages  | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            8
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            Oxfordian stage
                                        
                                        
                                         |