living organisms
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Superkingdom Eukaryotae
 see Domain Eukaryota Chatton, 1925
    
 Kingdom Animalia Linnaeus, 1758 - animals
      
 Subkingdom Eumetazoa Butschli, 1910
 see [unranked] Eumetazoa Bütschli, 1910
        
 Phylum Mollusca Linnaeus, 1758 - molluscs
          
 Class Cephalopoda Cuvier, 1795 - cephalopods
            
 Subclass Coleoidea Bather, 1888
              
 Order Teuthoidea
 see Order Teuthida Naef, 1916
                
 Suborder Oegopsida d'Orbigny, 1845
 see Suborder Oegopsina Orbigny, 1845
                  
 Family Promachoteuthidae Naef, 1912
                    
 Genus Promachoteuthis Hoyle, 1885