Biota (Life)
    
        Eukaryote (Eukarya)
    
        Podiata
    
        Unikont (Unikonta)
    
        Opisthokont (Opisthokonta)
    
        Holozoa
    
        Filozoa
    
        Apoikozoa (Choanozoa)
    
        Animal (Animalia)
    
        Metazoa
    
        Epitheliozoa
    
        Eumetazoa
    
        Bilateria
    
        Nephrozoa (Eubilateria)
    
        Protostome (Protostomia)
    
        Chaetognatha (Arrow worms)
    
        Sagittoidea
    
        Biphragmosagittiformes
    
        Biphragmosagittidae
    
    Biphragmosagitta (21225374)
    
    
    
        
        Children (1 direct children, 1 direct and indirect children):
        
        
        
            
                Biphragmosagitta fastigata