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Eumetazoa (metazoans)- 
    
Bilateria (bilaterally symmetrical animals)- 
    
Protostomia (protostomes)- 
    
    
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Arthropoda (arthropods)- 
    
Crustacea (shrimps, crabs, lobsters, water fleas, and relatives)- 
    
Class Maxillopoda- 
    
Class Malacostraca- 
    
Order Decapoda- 
    
Superfamily Trichodactyloidea- 
    
Family Trichodactylidae- 
        
Genus Avotrichodactylus
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Genus Bottiella
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Genus Dilocarcinus
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Genus Forsteria
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Genus Fredilocarcinus
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Genus Goyazana
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Genus Melocarcinus
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Genus Moreirocarcinus
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Genus Poppiana
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Genus Rodriguezia
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Genus Rotundovaldivia
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Genus Sylviocarcinus
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Genus Trichodactylus
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Genus Valdivia
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Genus Zilchiopsis
 
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