Biota (Life)
    
        Eukaryote (Eukarya)
    
        Podiata
    
        Unikont (Unikonta)
    
        Opisthokont (Opisthokonta)
    
        Holozoa
    
        Filozoa
    
        Apoikozoa (Choanozoa)
    
        Animal (Animalia)
    
        Metazoa
    
        Parazoa
    
        Porifera (Sponges)
    
        Cellularia
    
        Demospongiae (Demosponge)
    
        Keratosa
    
        Dictyoceratida
    
        Thorectidae
    
        Thorectinae
    
    
    
    
    
        
        Children (2 direct children, 2 direct and indirect children):
        
        
        
            
                Stelospongos cribriformis
                
                
                
            
                Stelospongos longispinus