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Eumetazoa (metazoans)- 
    
Bilateria (bilaterally symmetrical animals)- 
    
Protostomia (protostomes)- 
    
    
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Arthropoda (arthropods)- 
    
    
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Order Not assigned- 
    
Superfamily Hypogastruroidea- 
    
Family Hypogastruridae- 
    
Genus Triacanthella- 
        
Species Triacanthella alba
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Species Triacanthella andina
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Species Triacanthella biroi
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Species Triacanthella clavata
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Species Triacanthella copelandi
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Species Triacanthella enderbyensis
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Species Triacanthella frigida
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Species Triacanthella intermedia
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Species Triacanthella massoudi
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Species Triacanthella michaelseni
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Species Triacanthella najtae
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Species Triacanthella nivalis
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Species Triacanthella perfecta
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Species Triacanthella purpurea
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Species Triacanthella rosea
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Species Triacanthella rubra
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Species Triacanthella setacea
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Species Triacanthella sorenseni
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Species Triacanthella terrasilvatica
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Species Triacanthella travei
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Species Triacanthella violacea
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Species Triacanthella vogeli
 
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