Children (8 direct children, 15 direct and indirect children):
        
        
        
            
                Horned gopher
                
                    (tree size 4)
                
                
                    Ceratogaulus
                
                
            
                Mylagaulus
                
                
                
            
                Alphagaulus
                
                
                
            
                Mesogaulus
                
                    (tree size 1)
                
                
                
            
                Hesperogaulus
                
                    (tree size 1)
                
                
                
            
                Pterogaulus
                
                
                
            
                Umbogaulus
                
                    (tree size 1)
                
                
                
            
                Mylagaulinae