Taxonomic information: Russian sturgeon

the root (no rank)
   Eukaryota (domain)
      Metazoa (kingdom)
         Chordata (phylum)
            Craniata (subphylum)
               Vertebrata (no rank)
                  Gnathostomata (superclass)
                     Actinopterygii (class)
                        Acipenseriformes (order)
                           Acipenseridae (family)
                              Acipenser (genus)
                                 Acipenser gueldenstaedtii (species)
                                    Russian sturgeon (primary common name)
                                       [hide inferior taxa]

Another query: