| 
                                    
                                        gptkbp:instanceOf
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:geological_formation
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:climate
                                    
                                 | 
                                
                                    
                                        
                                            
                                            warm and humid
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:continent
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Laurasia_and_Gondwana
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:dividedInto
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Pennsylvanian
                                        
                                         
                                    
                                        
                                            
                                            Mississippian
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:duration
                                    
                                 | 
                                
                                    
                                        
                                            
                                            about 60 million years
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:endDate
                                    
                                 | 
                                
                                    
                                        
                                            
                                            approximately 299 million years ago
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:followedBy
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Permian_Period
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:fossil
                                    
                                 | 
                                
                                    
                                        
                                            
                                            abundant plant fossils
                                        
                                        
                                         
                                    
                                        
                                            
                                            coal beds
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:location
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:United_Kingdom
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:majorFauna
                                    
                                 | 
                                
                                    
                                        
                                            
                                            amphibians
                                        
                                        
                                         
                                    
                                        
                                            
                                            arthropods
                                        
                                        
                                         
                                    
                                        
                                            
                                            early reptiles
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:majorFlora
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:horsetails
                                        
                                         
                                    
                                        
                                            
                                            ferns
                                        
                                        
                                         
                                    
                                        
                                            
                                            lycophytes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:marineLife
                                    
                                 | 
                                
                                    
                                        
                                            
                                            sharks
                                        
                                        
                                         
                                    
                                        
                                            
                                            corals
                                        
                                        
                                         
                                    
                                        
                                            
                                            brachiopods
                                        
                                        
                                         
                                    
                                        
                                            
                                            crinoids
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:namedFor
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:William_Conybeare
                                        
                                         
                                    
                                        
                                            gptkb:William_Phillips
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:nameOrigin
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Latin 'carbo' (coal)
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:notableFor
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Asia
                                        
                                         
                                    
                                        
                                            gptkb:Australia
                                        
                                         
                                    
                                        
                                            gptkb:Europe
                                        
                                         
                                    
                                        
                                            gptkb:North_America
                                        
                                         
                                    
                                        
                                            
                                            evolution of amphibians
                                        
                                        
                                         
                                    
                                        
                                            
                                            high oxygen levels
                                        
                                        
                                         
                                    
                                        
                                            
                                            extensive coal-forming forests
                                        
                                        
                                         
                                    
                                        
                                            
                                            first appearance of reptiles
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:partOf
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Paleozoic_Era
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:precededBy
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Devonian_Period
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:significantEvent
                                    
                                 | 
                                
                                    
                                        
                                            
                                            formation of Pangaea began
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:startDate
                                    
                                 | 
                                
                                    
                                        
                                            
                                            approximately 359 million years ago
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsParent
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Paleozoic_Era
                                        
                                         
                                    
                                        
                                            gptkb:Phanerozoic_Eon
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsLayer
                                    
                                 | 
                                
                                    
                                        
                                            
                                            6
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        https://www.w3.org/2000/01/rdf-schema#label
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Carboniferous Period
                                        
                                        
                                         
                                    
                                 |