- 
    
    
    - 
    
Eumetazoa (metazoans)- 
    
Bilateria (bilaterally symmetrical animals)- 
    
Protostomia (protostomes)- 
    
    
    - 
    
    
    - 
    
Class Secernentea- 
    
Order Tylenchida- 
    
Family Heteroderidae- 
    
Genus Heterodera- 
        
Species Heterodera avenae
- 
        
Species Heterodera cacti
- 
        
Species Heterodera glycines
- 
        
Species Heterodera schachtii
- 
        
Species Heterodera tabacum
 
- 
        
 
- 
    
 
- 
    
 
- 
    
 
- 
    
 
- 
    
    
    
 
- 
    
    
    
 
- 
    
 
- 
    
 
- 
    
