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Eumetazoa (metazoans)- 
    
Bilateria (bilaterally symmetrical animals)- 
    
Protostomia (protostomes)- 
    
    
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Arthropoda (arthropods)- 
    
    
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Order Coleoptera- 
    
Superfamily Hydrophiloidea- 
    
    
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Genus Georyssus- 
    
Species Georyssus pusillus
 
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