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Eumetazoa (metazoans)- 
    
Bilateria (bilaterally symmetrical animals)- 
    
Protostomia (protostomes)- 
    
    
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Arthropoda (arthropods)- 
    
    
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Order Ephemeroptera- 
    
Family Baetidae- 
    
Genus Heterocloeon- 
        
Species Heterocloeon amplum
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Species Heterocloeon berneri
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Species Heterocloeon curiosum
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Species Heterocloeon frivolum
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Species Heterocloeon grande
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Species Heterocloeon petersi
 
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