Children (4 direct children, 49 direct and indirect children):
        
        
        
            
                Sternoptyx
                
                    (tree size 6)
                
                
                
            
                Polyipnus
                
                    (tree size 37)
                
                
                
            
                Pleurothyris
                
                    (tree size 1)
                
                
                
            
                Sternoptychides
                
                    (tree size 1)