 Children (5 direct children, 5 direct and indirect children):
    
    
        
        Children (5 direct children, 5 direct and indirect children):
        
        
        
            
                Discotrema zonatum
                
                
                
            
                Discotrema monogrammum
                
                
                
            
                Discotrema crinophilum
                
                
                    Crinoid clingfish
                
                
            
                Discotrema lineata
                
                
                
            
                Discotrema lineatum