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Eumetazoa (metazoans)- 
    
Bilateria (bilaterally symmetrical animals)- 
    
Deuterostomia (deuterostomes)- 
    
Echinodermata (sea stars, sea urchins, sea cucumbers, and relatives)- 
    
Class Ophiuroidea- 
    
Order Ophiurida- 
    
Family Hemieuryalidae- 
        
Genus Hemieuryale
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Genus Ophiochondrella
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Genus Ophiochondrus
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Genus Ophioholcus
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Genus Ophioleila
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Genus Ophiomoeris
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Genus Ophioplus
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Genus Quironia
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Genus Sigsbeia
 
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