Children (4 direct children, 10 direct and indirect children):
        
        
        
            
                Spring salamander
                
                    (tree size 4)
                
                
                    Gyrinophilus porphyriticus
                
                
            
                West virginia spring salamander
                
                
                    Gyrinophilus subterraneus
                
                
            
                Berry cave salamander
                
                
                    Gyrinophilus gulolineatus
                
                
            
                Tennessee cave salamander
                
                    (tree size 2)
                
                
                    Gyrinophilus palleucus