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Eumetazoa (metazoans)- 
    
Bilateria (bilaterally symmetrical animals)- 
    
Protostomia (protostomes)- 
    
    
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Arthropoda (arthropods)- 
    
Chelicerata (spiders, mites, scorpions, and relatives)- 
    
Class Arachnida- 
    
Order Araneae- 
    
Family Gradungulidae- 
    
Genus Spelungula- 
        
Species Spelungula cavernicola
 
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