Kingdom [Animalia] Linnaeus, 1758 - animals
  
 Subkingdom Metazoa Haeckel, 1874
 see Kingdom Animalia Linnaeus, 1758
    
 Division Eumetazoa Butschli, 1910
 see Subkingdom Eumetazoa Butschli, 1910
      
 Subdivision Bilateralia
        
 Phylum Echinodermata Bruguière, 1789 - echinoderms
          
 Class Echinoidea (Leske, 1778) - sea urchins and sand dollars
            
 Subclass Euechinoidea Bronn, 1860
              
 Superorder Echinacea Claus, 1876
                
 Order Salenoida Delage & Herouard, 1903
 see Order Salenioida Delage & Herouard, 1903