Statements (19)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:state_order
                                        
                                         gptkb:echinoderm  | 
                            
| gptkbp:characteristic | 
                                    
                                        
                                            
                                            hollow spines
                                        
                                        
                                         perforated tubercles well-developed peristomial membrane  | 
                            
| gptkbp:containsFamily | 
                                    
                                        
                                            gptkb:Diadematidae
                                        
                                         gptkb:Micropygidae  | 
                            
| gptkbp:describedBy | 
                                    
                                        
                                            
                                            Duncan, 1889
                                        
                                        
                                         | 
                            
| gptkbp:extantSpecies | 
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         | 
                            
| gptkbp:fossil | 
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         | 
                            
| gptkbp:foundIn | 
                                    
                                        
                                            
                                            tropical and subtropical oceans
                                        
                                        
                                         | 
                            
| gptkbp:relatedTo | 
                                    
                                        
                                            gptkb:Camarodonta
                                        
                                         gptkb:Echinothurioida  | 
                            
| gptkbp:residesIn | 
                                    
                                        
                                            
                                            marine environments
                                        
                                        
                                         | 
                            
| gptkbp:subclassOf | 
                                    
                                        
                                            gptkb:lake
                                        
                                         | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:Diadema_antillarum
                                        
                                         gptkb:The_Giant_Sea_Urchin  | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            8
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            Diadematoida
                                        
                                        
                                         |