Statements (22)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:plant_species
                                        
                                         | 
                            
| gptkbp:class | 
                                    
                                        
                                            gptkb:gymnosperm
                                        
                                         | 
                            
| gptkbp:commonName | 
                                    
                                        
                                            
                                            seed ferns
                                        
                                        
                                         | 
                            
| gptkbp:discoveredBy | 
                                    
                                        
                                            
                                            paleobotanists
                                        
                                        
                                         | 
                            
| gptkbp:division | 
                                    
                                        
                                            gptkb:Pteridospermatophyta
                                        
                                         | 
                            
| gptkbp:extinct | 
                                    
                                        
                                            
                                            true
                                        
                                        
                                         | 
                            
| gptkbp:firstAppearance | 
                                    
                                        
                                            gptkb:Devonian_period
                                        
                                         | 
                            
| gptkbp:habitat | 
                                    
                                        
                                            
                                            terrestrial
                                        
                                        
                                         | 
                            
| gptkbp:importantFor | 
                                    
                                        
                                            
                                            evolution of seed plants
                                        
                                        
                                         | 
                            
| gptkbp:kingdom | 
                                    
                                        
                                            gptkb:Plantae
                                        
                                         | 
                            
| gptkbp:lastAppearance | 
                                    
                                        
                                            gptkb:Cretaceous_period
                                        
                                         | 
                            
| gptkbp:leafType | 
                                    
                                        
                                            
                                            fern-like
                                        
                                        
                                         | 
                            
| gptkbp:notableGenus | 
                                    
                                        
                                            gptkb:Glossopteris
                                        
                                         gptkb:Callistophyton gptkb:Lyginopteris gptkb:Medullosa  | 
                            
| gptkbp:photosynthesisType | 
                                    
                                        
                                            
                                            true
                                        
                                        
                                         | 
                            
| gptkbp:reproduction | 
                                    
                                        
                                            
                                            seeds
                                        
                                        
                                         | 
                            
| gptkbp:seedColor | 
                                    
                                        
                                            
                                            naked seeds
                                        
                                        
                                         | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:Glossopteris
                                        
                                         | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            7
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            Pteridospermatophyta
                                        
                                        
                                         |